remove duplicate LICENSE in boards directory
remove duplicate LICENSE in boards directory

Lotterleben/RIOT,rajma996/RIOT,gebart/RIOT,jbeyerstedt/RIOT-OTA-update,gautric/RIOT,RIOT-OS/RIOT,tdautc19841202/RIOT,hamilton-mote/RIOT-OS,jbeyerstedt/RIOT-OTA-update,MarkXYang/RIOT,khhhh/RIOT,centurysys/RIOT,AnonMall/RIOT,miri64/RIOT,gebart/RIOT,kerneltask/RIOT,plushvoxel/RIOT,locicontrols/RIOT,immesys/RiSyn,alex1818/RIOT,kushalsingh007/RIOT,yogo1212/RIOT,wentaoshang/RIOT,jhollister/RIOT,1blankz7/RIOT,biboc/RIOT,adrianghc/RIOT,TobiasFredersdorf/RIOT,TobiasFredersdorf/RIOT,arvindpdmn/RIOT,syin2/RIOT,patkan/RIOT,jfischer-phytec-iot/RIOT,bartfaizoltan/RIOT,Osblouf/RIOT,haoyangyu/RIOT,lazytech-org/RIOT,mfrey/RIOT,OlegHahm/RIOT,MohmadAyman/RIOT,abkam07/RIOT,MarkXYang/RIOT,immesys/RiSyn,FrancescoErmini/RIOT,OTAkeys/RIOT,shady33/RIOT,rfswarm2/RIOT,zhuoshuguo/RIOT,herrfz/RIOT,chris-wood/RIOT,1blankz7/RIOT,asanka-code/RIOT,rfswarm2/RIOT,LudwigOrtmann/RIOT,neiljay/RIOT,mfrey/RIOT,binarylemon/RIOT,MonsterCode8000/RIOT,koenning/RIOT,aeneby/RIOT,rfuentess/RIOT,lebrush/RIOT,josephnoir/RIOT,avmelnikoff/RIOT,dhruvvyas90/RIOT,jasonatran/RIOT,MonsterCode8000/RIOT,asanka-code/RIOT,arvindpdmn/RIOT,hamilton-mote/RIOT-OS,ant9000/RIOT,d00616/RIOT,cladmi/RIOT,abp719/RIOT,Lexandro92/RIOT-CoAP,jfischer-phytec-iot/RIOT,robixnai/RIOT,stevenj/RIOT,luciotorre/RIOT,avmelnikoff/RIOT,haoyangyu/RIOT,plushvoxel/RIOT,abp719/RIOT,RubikonAlpha/RIOT,herrfz/RIOT-old,spium/IoT-RIOT,ros2/ros2_embedded_riot,biboc/RIOT,Osblouf/RIOT,tdautc19841202/RIOT,Ell-i/RIOT,tdautc19841202/RIOT,JensErdmann/RIOT,tdautc19841202/RIOT,attdona/RIOT,MarkXYang/RIOT,koenning/RIOT,binarylemon/RIOT,dhruvvyas90/RIOT,jasonatran/RIOT,zhuoshuguo/RIOT,MonsterCode8000/RIOT,BytesGalore/RIOT,jferreir/RIOT,jferreir/RIOT,aeneby/RIOT,luciotorre/RIOT,ximus/RIOT,rajma996/RIOT,jasonatran/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,MohmadAyman/RIOT,robixnai/RIOT,mziegert/RIOT,LudwigOrtmann/RIOT,centurysys/RIOT,bartfaizoltan/RIOT,basilfx/RIOT,AnonMall/RIOT,fnack/RIOT,dhruvvyas90/RIOT,spium/IoT-RIOT,rfswarm2/RIOT,alex1818/RIOT,locicontrols/RIOT,rakendrathapa/RIOT,sumanpanchal/RIOT,LudwigOrtmann/RIOT,AnonMall/RIOT,rfswarm2/RIOT,latsku/RIOT,shady33/RIOT,marcosalm/RIOT,DipSwitch/RIOT,neiljay/RIOT,marcosalm/RIOT,dkm/RIOT,TobiasFredersdorf/RIOT,jremmert-phytec-iot/RIOT,dkm/RIOT,msolters/RIOT,lazytech-org/RIOT,jfischer-phytec-iot/RIOT,alignan/RIOT,ThanhVic/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,rakendrathapa/RIOT,yogo1212/RIOT,syin2/RIOT,Ell-i/RIOT,gautric/RIOT,ks156/RIOT,MohmadAyman/RIOT,fnack/RIOT,Yonezawa-T2/RIOT,daniel-k/RIOT,beurdouche/RIOT,PSHIVANI/Riot-Code,jremmert-phytec-iot/RIOT,lebrush/RIOT,hamilton-mote/RIOT-OS,abp719/RIOT,latsku/RIOT,rfswarm/RIOT,koenning/RIOT,smlng/RIOT,abkam07/RIOT,herrfz/RIOT-old,josephnoir/RIOT,herrfz/RIOT,zhuoshuguo/RIOT,kaleb-himes/RIOT,aeneby/RIOT,jferreir/RIOT,Lotterleben/RIOT,katezilla/RIOT,EmuxEvans/RIOT,kb2ma/RIOT,tfar/RIOT,Ell-i/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,arvindpdmn/RIOT,sgso/RIOT,rfuentess/RIOT,dhruvvyas90/RIOT,l3nko/RIOT,Darredevil/RIOT,josephnoir/RIOT,attdona/RIOT,MarkXYang/RIOT,DipSwitch/RIOT,patkan/RIOT,yogo1212/RIOT,marcosalm/RIOT,phiros/RIOT,kushalsingh007/RIOT,roberthartung/RIOT,wentaoshang/RIOT,mziegert/RIOT,msolters/RIOT,mziegert/RIOT,Lotterleben/RIOT,jremmert-phytec-iot/RIOT,dailab/RIOT,Osblouf/RIOT,rajma996/RIOT,openkosmosorg/RIOT,arvindpdmn/RIOT,Darredevil/RIOT,FrancescoErmini/RIOT,asanka-code/RIOT,biboc/RIOT,sgso/RIOT,josephnoir/RIOT,automote/RIOT,ks156/RIOT,BytesGalore/RIOT,adrianghc/RIOT,kbumsik/RIOT,RBartz/RIOT,BytesGalore/PetersRIOT,locicontrols/RIOT,PSHIVANI/Riot-Code,backenklee/RIOT,rajma996/RIOT,alex1818/RIOT,malosek/RIOT,tfar/RIOT,openkosmosorg/RIOT,neumodisch/RIOT,beurdouche/RIOT,authmillenon/RIOT,automote/RIOT,binarylemon/RIOT,luciotorre/RIOT,kushalsingh007/RIOT,patkan/RIOT,changbiao/RIOT,daniel-k/RIOT,Yonezawa-T2/RIOT,bartfaizoltan/RIOT,Josar/RIOT,latsku/RIOT,abkam07/RIOT,l3nko/RIOT,biboc/RIOT,emmanuelsearch/RIOT,ximus/RIOT,watr-li/RIOT,Lexandro92/RIOT-CoAP,jfischer-phytec-iot/RIOT,khhhh/RIOT,marcosalm/RIOT,mtausig/RIOT,Hyungsin/RIOT-OS,mziegert/RIOT,abp719/RIOT,patkan/RIOT,miri64/RIOT,kbumsik/RIOT,jhollister/RIOT,bartfaizoltan/RIOT,Ell-i/RIOT,yogo1212/RIOT,DipSwitch/RIOT,stevenj/RIOT,mtausig/RIOT,rfuentess/RIOT,JensErdmann/RIOT,dkm/RIOT,toonst/RIOT,Lotterleben/RIOT,rfswarm/RIOT,adjih/RIOT,Josar/RIOT,1blankz7/RIOT,benoit-canet/RIOT,mtausig/RIOT,toonst/RIOT,brettswann/RIOT,d00616/RIOT,Hyungsin/RIOT-OS,tfar/RIOT,openkosmosorg/RIOT,chris-wood/RIOT,syin2/RIOT,altairpearl/RIOT,shady33/RIOT,ThanhVic/RIOT,ros2/ros2_embedded_riot,immesys/RiSyn,binarylemon/RIOT,avmelnikoff/RIOT,OlegHahm/RIOT,Yonezawa-T2/RIOT,yogo1212/RIOT,dailab/RIOT,sgso/RIOT,kushalsingh007/RIOT,centurysys/RIOT,ntrtrung/RIOT,d00616/RIOT,katezilla/RIOT,rousselk/RIOT,kaspar030/RIOT,kaleb-himes/RIOT,kaspar030/RIOT,emmanuelsearch/RIOT,alignan/RIOT,bartfaizoltan/RIOT,JensErdmann/RIOT,lebrush/RIOT,miri64/RIOT,thomaseichinger/RIOT,FrancescoErmini/RIOT,msolters/RIOT,locicontrols/RIOT,rfuentess/RIOT,haoyangyu/RIOT,rfuentess/RIOT,ntrtrung/RIOT,x3ro/RIOT,stevenj/RIOT,hamilton-mote/RIOT-OS,thiagohd/RIOT,ros2/ros2_embedded_riot,aeneby/RIOT,OlegHahm/RIOT,locicontrols/RIOT,rousselk/RIOT,roberthartung/RIOT,toonst/RIOT,kYc0o/RIOT,chris-wood/RIOT,abkam07/RIOT,herrfz/RIOT-old,TobiasFredersdorf/RIOT,rfswarm/RIOT,authmillenon/RIOT,altairpearl/RIOT,miri64/RIOT,basilfx/RIOT,ThanhVic/RIOT,altairpearl/RIOT,ant9000/RIOT,Josar/RIOT,lazytech-org/RIOT,authmillenon/RIOT,1blankz7/RIOT,gebart/RIOT,sumanpanchal/RIOT,abkam07/RIOT,josephnoir/RIOT,Osblouf/RIOT,backenklee/RIOT,gbarnett/RIOT,beurdouche/RIOT,authmillenon/RIOT,l3nko/RIOT,dkm/RIOT,EmuxEvans/RIOT,zhuoshuguo/RIOT,backenklee/RIOT,Hyungsin/RIOT-OS,luciotorre/RIOT,kbumsik/RIOT,rajma996/RIOT,RBartz/RIOT,mfrey/RIOT,adrianghc/RIOT,spium/IoT-RIOT,mfrey/RIOT,FrancescoErmini/RIOT,Darredevil/RIOT,ros2/ros2_embedded_riot,A-Paul/RIOT,OTAkeys/RIOT,jferreir/RIOT,plushvoxel/RIOT,locicontrols/RIOT,changbiao/RIOT,automote/RIOT,PSHIVANI/Riot-Code,kb2ma/RIOT,thiagohd/RIOT,koenning/RIOT,malosek/RIOT,AnonMall/RIOT,ros2/ros2_embedded_riot,RubikonAlpha/RIOT,neumodisch/RIOT,ximus/RIOT,msolters/RIOT,alex1818/RIOT,abp719/RIOT,shady33/RIOT,A-Paul/RIOT,emmanuelsearch/RIOT,zhuoshuguo/RIOT,MohmadAyman/RIOT,LudwigOrtmann/RIOT,khhhh/RIOT,x3ro/RIOT,nsol-nmsu/RIOT,brettswann/RIOT,fnack/RIOT,patkan/RIOT,tfar/RIOT,herrfz/RIOT,cladmi/RIOT,robixnai/RIOT,Lexandro92/RIOT-CoAP,kaspar030/RIOT,Lotterleben/RIOT,gautric/RIOT,jhollister/RIOT,mziegert/RIOT,TobiasFredersdorf/RIOT,alex1818/RIOT,sumanpanchal/RIOT,RBartz/RIOT,RIOT-OS/RIOT,beurdouche/RIOT,1blankz7/RIOT,herrfz/RIOT,asanka-code/RIOT,jbeyerstedt/RIOT-OTA-update,MonsterCode8000/RIOT,immesys/RiSyn,emmanuelsearch/RIOT,d00616/RIOT,BytesGalore/PetersRIOT,JensErdmann/RIOT,herrfz/RIOT-old,msolters/RIOT,daniel-k/RIOT,rousselk/RIOT,syin2/RIOT,jremmert-phytec-iot/RIOT,malosek/RIOT,Josar/RIOT,koenning/RIOT,ximus/RIOT,wentaoshang/RIOT,kaleb-himes/RIOT,Osblouf/RIOT,BytesGalore/RIOT,Lexandro92/RIOT-CoAP,sumanpanchal/RIOT,miri64/RIOT,l3nko/RIOT,MarkXYang/RIOT,watr-li/RIOT,luciotorre/RIOT,kYc0o/RIOT,attdona/RIOT,DipSwitch/RIOT,x3ro/RIOT,ros2/ros2_embedded_riot,dailab/RIOT,latsku/RIOT,emmanuelsearch/RIOT,DipSwitch/RIOT,OTAkeys/RIOT,phiros/RIOT,A-Paul/RIOT,neiljay/RIOT,openkosmosorg/RIOT,lebrush/RIOT,lebrush/RIOT,katezilla/RIOT,automote/RIOT,watr-li/RIOT,authmillenon/RIOT,malosek/RIOT,Yonezawa-T2/RIOT,roberthartung/RIOT,gautric/RIOT,changbiao/RIOT,sgso/RIOT,aeneby/RIOT,BytesGalore/PetersRIOT,jasonatran/RIOT,smlng/RIOT,mfrey/RIOT,alex1818/RIOT,A-Paul/RIOT,bartfaizoltan/RIOT,herrfz/RIOT-old,centurysys/RIOT,RubikonAlpha/RIOT,Darredevil/RIOT,BytesGalore/PetersRIOT,ant9000/RIOT,l3nko/RIOT,Hyungsin/RIOT-OS,DipSwitch/RIOT,OTAkeys/RIOT,dailab/RIOT,kaspar030/RIOT,nsol-nmsu/RIOT,cladmi/RIOT,attdona/RIOT,EmuxEvans/RIOT,x3ro/RIOT,ThanhVic/RIOT,gbarnett/RIOT,JensErdmann/RIOT,EmuxEvans/RIOT,Yonezawa-T2/RIOT,dhruvvyas90/RIOT,OTAkeys/RIOT,brettswann/RIOT,sgso/RIOT,robixnai/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,wentaoshang/RIOT,thiagohd/RIOT,alignan/RIOT,openkosmosorg/RIOT,benoit-canet/RIOT,roberthartung/RIOT,fnack/RIOT,watr-li/RIOT,robixnai/RIOT,sumanpanchal/RIOT,basilfx/RIOT,centurysys/RIOT,gbarnett/RIOT,BytesGalore/PetersRIOT,LudwigKnuepfer/RIOT,PSHIVANI/Riot-Code,arvindpdmn/RIOT,adrianghc/RIOT,gautric/RIOT,ThanhVic/RIOT,marcosalm/RIOT,PSHIVANI/Riot-Code,shady33/RIOT,adjih/RIOT,daniel-k/RIOT,ntrtrung/RIOT,A-Paul/RIOT,kushalsingh007/RIOT,arvindpdmn/RIOT,kbumsik/RIOT,daniel-k/RIOT,stevenj/RIOT,x3ro/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,rakendrathapa/RIOT,gebart/RIOT,Hyungsin/RIOT-OS,alignan/RIOT,rfswarm2/RIOT,chris-wood/RIOT,neumodisch/RIOT,rakendrathapa/RIOT,thomaseichinger/RIOT,thiagohd/RIOT,neumodisch/RIOT,altairpearl/RIOT,thomaseichinger/RIOT,katezilla/RIOT,benoit-canet/RIOT,jremmert-phytec-iot/RIOT,binarylemon/RIOT,mtausig/RIOT,Darredevil/RIOT,stevenj/RIOT,MohmadAyman/RIOT,mziegert/RIOT,changbiao/RIOT,EmuxEvans/RIOT,RubikonAlpha/RIOT,kerneltask/RIOT,ks156/RIOT,zhuoshuguo/RIOT,dkm/RIOT,rajma996/RIOT,Lotterleben/RIOT,watr-li/RIOT,brettswann/RIOT,avmelnikoff/RIOT,watr-li/RIOT,altairpearl/RIOT,ks156/RIOT,lebrush/RIOT,RBartz/RIOT,AnonMall/RIOT,lazytech-org/RIOT,abkam07/RIOT,JensErdmann/RIOT,LudwigOrtmann/RIOT,neiljay/RIOT,alignan/RIOT,dailab/RIOT,toonst/RIOT,stevenj/RIOT,nsol-nmsu/RIOT,emmanuelsearch/RIOT,Yonezawa-T2/RIOT,rfswarm2/RIOT,yogo1212/RIOT,benoit-canet/RIOT,khhhh/RIOT,rousselk/RIOT,binarylemon/RIOT,Osblouf/RIOT,neiljay/RIOT,nsol-nmsu/RIOT,phiros/RIOT,robixnai/RIOT,dhruvvyas90/RIOT,basilfx/RIOT,haoyangyu/RIOT,patkan/RIOT,latsku/RIOT,katezilla/RIOT,jferreir/RIOT,wentaoshang/RIOT,wentaoshang/RIOT,MonsterCode8000/RIOT,jbeyerstedt/RIOT-OTA-update,gbarnett/RIOT,tdautc19841202/RIOT,basilfx/RIOT,1blankz7/RIOT,MarkXYang/RIOT,thomaseichinger/RIOT,rfswarm/RIOT,ant9000/RIOT,thiagohd/RIOT,daniel-k/RIOT,backenklee/RIOT,automote/RIOT,marcosalm/RIOT,gbarnett/RIOT,kYc0o/RIOT,koenning/RIOT,benoit-canet/RIOT,Ell-i/RIOT,RIOT-OS/RIOT,khhhh/RIOT,d00616/RIOT,smlng/RIOT,Lexandro92/RIOT-CoAP,LudwigKnuepfer/RIOT,kb2ma/RIOT,rousselk/RIOT,LudwigKnuepfer/RIOT,luciotorre/RIOT,ximus/RIOT,PSHIVANI/Riot-Code,nsol-nmsu/RIOT,malosek/RIOT,EmuxEvans/RIOT,locicontrols/RIOT,Lotterleben/RIOT,thiagohd/RIOT,ximus/RIOT,phiros/RIOT,herrfz/RIOT,ant9000/RIOT,BytesGalore/RIOT,brettswann/RIOT,jhollister/RIOT,MonsterCode8000/RIOT,biboc/RIOT,hamilton-mote/RIOT-OS,immesys/RiSyn,adjih/RIOT,spium/IoT-RIOT,jfischer-phytec-iot/RIOT,chris-wood/RIOT,sgso/RIOT,rfswarm/RIOT,haoyangyu/RIOT,RIOT-OS/RIOT,BytesGalore/PetersRIOT,smlng/RIOT,ntrtrung/RIOT,toonst/RIOT,plushvoxel/RIOT,fnack/RIOT,RBartz/RIOT,abp719/RIOT,kaspar030/RIOT,gebart/RIOT,adjih/RIOT,d00616/RIOT,OlegHahm/RIOT,changbiao/RIOT,centurysys/RIOT,neumodisch/RIOT,l3nko/RIOT,phiros/RIOT,thomaseichinger/RIOT,asanka-code/RIOT,beurdouche/RIOT,benoit-canet/RIOT,rakendrathapa/RIOT,rousselk/RIOT,kerneltask/RIOT,RubikonAlpha/RIOT,jhollister/RIOT,LudwigOrtmann/RIOT,kYc0o/RIOT,Lexandro92/RIOT-CoAP,RubikonAlpha/RIOT,adjih/RIOT,LudwigKnuepfer/RIOT,RIOT-OS/RIOT,adrianghc/RIOT,OlegHahm/RIOT,neumodisch/RIOT,chris-wood/RIOT,jbeyerstedt/RIOT-OTA-update,changbiao/RIOT,ros2/ros2_embedded_riot,syin2/RIOT,ntrtrung/RIOT,FrancescoErmini/RIOT,tfar/RIOT,fnack/RIOT,kb2ma/RIOT,shady33/RIOT,automote/RIOT,AnonMall/RIOT,jasonatran/RIOT,roberthartung/RIOT,jhollister/RIOT,kaleb-himes/RIOT,kb2ma/RIOT,kushalsingh007/RIOT,gbarnett/RIOT,spium/IoT-RIOT,latsku/RIOT,attdona/RIOT,kYc0o/RIOT,mtausig/RIOT,phiros/RIOT,malosek/RIOT,kerneltask/RIOT,altairpearl/RIOT,RBartz/RIOT,kbumsik/RIOT,openkosmosorg/RIOT,avmelnikoff/RIOT,LudwigKnuepfer/RIOT,msolters/RIOT,cladmi/RIOT,rfswarm/RIOT,ks156/RIOT,khhhh/RIOT,FrancescoErmini/RIOT,jremmert-phytec-iot/RIOT,kaleb-himes/RIOT,jferreir/RIOT,Josar/RIOT,BytesGalore/PetersRIOT,ntrtrung/RIOT,attdona/RIOT,cladmi/RIOT,kerneltask/RIOT,ThanhVic/RIOT,backenklee/RIOT,rakendrathapa/RIOT,asanka-code/RIOT,sumanpanchal/RIOT,immesys/RiSyn,BytesGalore/RIOT,authmillenon/RIOT,Darredevil/RIOT,haoyangyu/RIOT,MohmadAyman/RIOT,spium/IoT-RIOT,smlng/RIOT,herrfz/RIOT,plushvoxel/RIOT,brettswann/RIOT,tdautc19841202/RIOT,lazytech-org/RIOT