drivers/sx127x: remove duplicate CS init
drivers/sx127x: remove duplicate CS init

Signed-off-by: dylad <d56dfe611c7cd6204525c7c9b6afc5e84aed0f5d@mesotic.com>

jasonatran/RIOT,BytesGalore/RIOT,toonst/RIOT,immesys/RiSyn,OTAkeys/RIOT,roberthartung/RIOT,OTAkeys/RIOT,mfrey/RIOT,adrianghc/RIOT,Josar/RIOT,toonst/RIOT,authmillenon/RIOT,josephnoir/RIOT,jasonatran/RIOT,gebart/RIOT,avmelnikoff/RIOT,lazytech-org/RIOT,x3ro/RIOT,aeneby/RIOT,x3ro/RIOT,authmillenon/RIOT,adrianghc/RIOT,kbumsik/RIOT,avmelnikoff/RIOT,roberthartung/RIOT,LudwigOrtmann/RIOT,ks156/RIOT,gebart/RIOT,smlng/RIOT,cladmi/RIOT,immesys/RiSyn,ant9000/RIOT,ant9000/RIOT,kaspar030/RIOT,biboc/RIOT,miri64/RIOT,mtausig/RIOT,kbumsik/RIOT,LudwigKnuepfer/RIOT,cladmi/RIOT,authmillenon/RIOT,LudwigOrtmann/RIOT,ks156/RIOT,neiljay/RIOT,smlng/RIOT,basilfx/RIOT,BytesGalore/RIOT,LudwigOrtmann/RIOT,lazytech-org/RIOT,smlng/RIOT,toonst/RIOT,LudwigKnuepfer/RIOT,authmillenon/RIOT,biboc/RIOT,Josar/RIOT,RIOT-OS/RIOT,immesys/RiSyn,josephnoir/RIOT,biboc/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,Josar/RIOT,avmelnikoff/RIOT,roberthartung/RIOT,kYc0o/RIOT,basilfx/RIOT,LudwigKnuepfer/RIOT,cladmi/RIOT,smlng/RIOT,kbumsik/RIOT,mtausig/RIOT,kaspar030/RIOT,kYc0o/RIOT,BytesGalore/RIOT,A-Paul/RIOT,kaspar030/RIOT,OTAkeys/RIOT,aeneby/RIOT,neiljay/RIOT,kbumsik/RIOT,yogo1212/RIOT,LudwigKnuepfer/RIOT,neiljay/RIOT,mfrey/RIOT,ks156/RIOT,OlegHahm/RIOT,yogo1212/RIOT,smlng/RIOT,LudwigKnuepfer/RIOT,roberthartung/RIOT,adrianghc/RIOT,kYc0o/RIOT,A-Paul/RIOT,ks156/RIOT,kbumsik/RIOT,x3ro/RIOT,x3ro/RIOT,basilfx/RIOT,mtausig/RIOT,lazytech-org/RIOT,biboc/RIOT,gebart/RIOT,aeneby/RIOT,OTAkeys/RIOT,authmillenon/RIOT,avmelnikoff/RIOT,LudwigOrtmann/RIOT,miri64/RIOT,OlegHahm/RIOT,ks156/RIOT,Josar/RIOT,kYc0o/RIOT,rfuentess/RIOT,mfrey/RIOT,roberthartung/RIOT,miri64/RIOT,gebart/RIOT,neiljay/RIOT,toonst/RIOT,ant9000/RIOT,lazytech-org/RIOT,adrianghc/RIOT,immesys/RiSyn,toonst/RIOT,A-Paul/RIOT,kaspar030/RIOT,LudwigOrtmann/RIOT,rfuentess/RIOT,josephnoir/RIOT,rfuentess/RIOT,A-Paul/RIOT,A-Paul/RIOT,ant9000/RIOT,mtausig/RIOT,avmelnikoff/RIOT,gebart/RIOT,immesys/RiSyn,RIOT-OS/RIOT,miri64/RIOT,OlegHahm/RIOT,mfrey/RIOT,jasonatran/RIOT,miri64/RIOT,basilfx/RIOT,josephnoir/RIOT,immesys/RiSyn,yogo1212/RIOT,yogo1212/RIOT,authmillenon/RIOT,adrianghc/RIOT,aeneby/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,josephnoir/RIOT,kaspar030/RIOT,x3ro/RIOT,mfrey/RIOT,ant9000/RIOT,aeneby/RIOT,cladmi/RIOT,OlegHahm/RIOT,jasonatran/RIOT,BytesGalore/RIOT,kYc0o/RIOT,yogo1212/RIOT,rfuentess/RIOT,lazytech-org/RIOT,basilfx/RIOT,BytesGalore/RIOT,rfuentess/RIOT,biboc/RIOT,OTAkeys/RIOT,Josar/RIOT,LudwigOrtmann/RIOT,mtausig/RIOT,cladmi/RIOT,neiljay/RIOT,RIOT-OS/RIOT