drivers: netdev2: remove extra event_callback argument
drivers: netdev2: remove extra event_callback argument

rousselk/RIOT,hamilton-mote/RIOT-OS,LudwigKnuepfer/RIOT,katezilla/RIOT,dkm/RIOT,lazytech-org/RIOT,kaleb-himes/RIOT,plushvoxel/RIOT,jfischer-phytec-iot/RIOT,yogo1212/RIOT,gautric/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kYc0o/RIOT,rfuentess/RIOT,jbeyerstedt/RIOT-OTA-update,thomaseichinger/RIOT,x3ro/RIOT,alignan/RIOT,roberthartung/RIOT,backenklee/RIOT,roberthartung/RIOT,OTAkeys/RIOT,lazytech-org/RIOT,OTAkeys/RIOT,LudwigKnuepfer/RIOT,authmillenon/RIOT,jremmert-phytec-iot/RIOT,rousselk/RIOT,mfrey/RIOT,alignan/RIOT,adrianghc/RIOT,wentaoshang/RIOT,syin2/RIOT,syin2/RIOT,Josar/RIOT,rajma996/RIOT,roberthartung/RIOT,neiljay/RIOT,kaleb-himes/RIOT,jbeyerstedt/RIOT-OTA-update,neiljay/RIOT,Hyungsin/RIOT-OS,kb2ma/RIOT,mfrey/RIOT,cladmi/RIOT,TobiasFredersdorf/RIOT,yogo1212/RIOT,gebart/RIOT,kbumsik/RIOT,josephnoir/RIOT,LudwigOrtmann/RIOT,x3ro/RIOT,beurdouche/RIOT,plushvoxel/RIOT,thomaseichinger/RIOT,aeneby/RIOT,kb2ma/RIOT,Ell-i/RIOT,kbumsik/RIOT,neiljay/RIOT,jbeyerstedt/RIOT-OTA-update,immesys/RiSyn,jremmert-phytec-iot/RIOT,LudwigOrtmann/RIOT,neumodisch/RIOT,toonst/RIOT,Hyungsin/RIOT-OS,adrianghc/RIOT,kaspar030/RIOT,ks156/RIOT,authmillenon/RIOT,Ell-i/RIOT,mtausig/RIOT,lazytech-org/RIOT,Josar/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,rajma996/RIOT,cladmi/RIOT,gautric/RIOT,OTAkeys/RIOT,dailab/RIOT,immesys/RiSyn,kaspar030/RIOT,rajma996/RIOT,katezilla/RIOT,kYc0o/RIOT,ks156/RIOT,jfischer-phytec-iot/RIOT,gebart/RIOT,Ell-i/RIOT,mtausig/RIOT,dkm/RIOT,authmillenon/RIOT,ks156/RIOT,syin2/RIOT,hamilton-mote/RIOT-OS,ant9000/RIOT,lazytech-org/RIOT,avmelnikoff/RIOT,miri64/RIOT,jfischer-phytec-iot/RIOT,kb2ma/RIOT,LudwigOrtmann/RIOT,OlegHahm/RIOT,hamilton-mote/RIOT-OS,kbumsik/RIOT,wentaoshang/RIOT,biboc/RIOT,jasonatran/RIOT,beurdouche/RIOT,brettswann/RIOT,basilfx/RIOT,TobiasFredersdorf/RIOT,RIOT-OS/RIOT,biboc/RIOT,kb2ma/RIOT,gebart/RIOT,OTAkeys/RIOT,adjih/RIOT,jremmert-phytec-iot/RIOT,avmelnikoff/RIOT,thomaseichinger/RIOT,backenklee/RIOT,dailab/RIOT,kbumsik/RIOT,OTAkeys/RIOT,cladmi/RIOT,dailab/RIOT,brettswann/RIOT,rfuentess/RIOT,brettswann/RIOT,x3ro/RIOT,OlegHahm/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,LudwigOrtmann/RIOT,jremmert-phytec-iot/RIOT,adjih/RIOT,basilfx/RIOT,immesys/RiSyn,A-Paul/RIOT,plushvoxel/RIOT,Josar/RIOT,josephnoir/RIOT,tfar/RIOT,BytesGalore/RIOT,LudwigOrtmann/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,neiljay/RIOT,zhuoshuguo/RIOT,gebart/RIOT,adrianghc/RIOT,plushvoxel/RIOT,kb2ma/RIOT,A-Paul/RIOT,altairpearl/RIOT,brettswann/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,kerneltask/RIOT,toonst/RIOT,kaspar030/RIOT,miri64/RIOT,aeneby/RIOT,thomaseichinger/RIOT,ant9000/RIOT,altairpearl/RIOT,mfrey/RIOT,jremmert-phytec-iot/RIOT,kaleb-himes/RIOT,neumodisch/RIOT,toonst/RIOT,biboc/RIOT,kYc0o/RIOT,katezilla/RIOT,adrianghc/RIOT,yogo1212/RIOT,BytesGalore/RIOT,rfuentess/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,altairpearl/RIOT,kaleb-himes/RIOT,wentaoshang/RIOT,smlng/RIOT,ant9000/RIOT,backenklee/RIOT,yogo1212/RIOT,lazytech-org/RIOT,LudwigKnuepfer/RIOT,brettswann/RIOT,jbeyerstedt/RIOT-OTA-update,altairpearl/RIOT,OlegHahm/RIOT,miri64/RIOT,beurdouche/RIOT,gebart/RIOT,miri64/RIOT,altairpearl/RIOT,Ell-i/RIOT,smlng/RIOT,mfrey/RIOT,d00616/RIOT,avmelnikoff/RIOT,josephnoir/RIOT,LudwigKnuepfer/RIOT,LudwigOrtmann/RIOT,cladmi/RIOT,beurdouche/RIOT,zhuoshuguo/RIOT,roberthartung/RIOT,A-Paul/RIOT,yogo1212/RIOT,gautric/RIOT,adrianghc/RIOT,aeneby/RIOT,d00616/RIOT,A-Paul/RIOT,brettswann/RIOT,katezilla/RIOT,rfuentess/RIOT,basilfx/RIOT,rousselk/RIOT,kaspar030/RIOT,katezilla/RIOT,jasonatran/RIOT,kYc0o/RIOT,kaleb-himes/RIOT,x3ro/RIOT,wentaoshang/RIOT,kaspar030/RIOT,biboc/RIOT,ks156/RIOT,hamilton-mote/RIOT-OS,mtausig/RIOT,neumodisch/RIOT,yogo1212/RIOT,rajma996/RIOT,adjih/RIOT,ant9000/RIOT,BytesGalore/RIOT,alignan/RIOT,mfrey/RIOT,authmillenon/RIOT,Josar/RIOT,ks156/RIOT,rajma996/RIOT,rajma996/RIOT,kYc0o/RIOT,plushvoxel/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,dkm/RIOT,wentaoshang/RIOT,hamilton-mote/RIOT-OS,zhuoshuguo/RIOT,dailab/RIOT,toonst/RIOT,kbumsik/RIOT,d00616/RIOT,BytesGalore/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,immesys/RiSyn,LudwigKnuepfer/RIOT,jfischer-phytec-iot/RIOT,wentaoshang/RIOT,immesys/RiSyn,avmelnikoff/RIOT,immesys/RiSyn,kerneltask/RIOT,josephnoir/RIOT,smlng/RIOT,dailab/RIOT,mtausig/RIOT,Ell-i/RIOT,TobiasFredersdorf/RIOT,BytesGalore/RIOT,tfar/RIOT,neumodisch/RIOT,tfar/RIOT,syin2/RIOT,gautric/RIOT,neumodisch/RIOT,kerneltask/RIOT,thomaseichinger/RIOT,jbeyerstedt/RIOT-OTA-update,tfar/RIOT,tfar/RIOT,alignan/RIOT,zhuoshuguo/RIOT,jremmert-phytec-iot/RIOT,authmillenon/RIOT,biboc/RIOT,kerneltask/RIOT,altairpearl/RIOT,dkm/RIOT,Hyungsin/RIOT-OS,RIOT-OS/RIOT,rousselk/RIOT,kerneltask/RIOT,TobiasFredersdorf/RIOT,avmelnikoff/RIOT,gautric/RIOT,basilfx/RIOT,jasonatran/RIOT,Hyungsin/RIOT-OS,Hyungsin/RIOT-OS,cladmi/RIOT,neiljay/RIOT,josephnoir/RIOT,d00616/RIOT,smlng/RIOT,ant9000/RIOT,d00616/RIOT,zhuoshuguo/RIOT,miri64/RIOT,neumodisch/RIOT,d00616/RIOT,dkm/RIOT,toonst/RIOT,basilfx/RIOT,A-Paul/RIOT,OlegHahm/RIOT,syin2/RIOT,jfischer-phytec-iot/RIOT,rousselk/RIOT,TobiasFredersdorf/RIOT,adjih/RIOT,zhuoshuguo/RIOT,roberthartung/RIOT,alignan/RIOT,adjih/RIOT,beurdouche/RIOT,rousselk/RIOT,aeneby/RIOT,backenklee/RIOT,aeneby/RIOT,smlng/RIOT,x3ro/RIOT,jasonatran/RIOT,Josar/RIOT,rfuentess/RIOT,mtausig/RIOT,backenklee/RIOT