bootmenu/bootmenu_0.6.bb: removed unneeded EXTRA_OEMAKE
bootmenu/bootmenu_0.6.bb: removed unneeded EXTRA_OEMAKE

verified by comparing bitbake -e output from before and after the edit

Signed-off-by: Frans Meulenbroeks <6def945a6cdf470073fde46d27fb7849dda40aca@gmail.com>

dellysunnymtech/sakoman-oe,SIFTeam/openembedded,openembedded/openembedded,sampov2/audio-openembedded,rascalmicro/openembedded-rascal,dave-billin/overo-ui-moos-auv,mrchapp/arago-oe-dev,xifengchuo/openembedded,yyli/overo-oe,JamesAng/oe,scottellis/overo-oe,dellysunnymtech/sakoman-oe,openembedded/openembedded,scottellis/overo-oe,sentient-energy/emsw-oe-mirror,hulifox008/openembedded,BlackPole/bp-openembedded,sutajiokousagi/openembedded,SIFTeam/openembedded,Martix/Eonos,dellysunnymtech/sakoman-oe,Martix/Eonos,dave-billin/overo-ui-moos-auv,giobauermeister/openembedded,thebohemian/openembedded,rascalmicro/openembedded-rascal,mrchapp/arago-oe-dev,dave-billin/overo-ui-moos-auv,mrchapp/arago-oe-dev,JamesAng/oe,giobauermeister/openembedded,openembedded/openembedded,John-NY/overo-oe,dave-billin/overo-ui-moos-auv,Martix/Eonos,BlackPole/bp-openembedded,rascalmicro/openembedded-rascal,mrchapp/arago-oe-dev,sampov2/audio-openembedded,xifengchuo/openembedded,dave-billin/overo-ui-moos-auv,scottellis/overo-oe,trini/openembedded,hulifox008/openembedded,sampov2/audio-openembedded,giobauermeister/openembedded,giobauermeister/openembedded,sampov2/audio-openembedded,giobauermeister/openembedded,openembedded/openembedded,Martix/Eonos,SIFTeam/openembedded,Martix/Eonos,trini/openembedded,nx111/openembeded_openpli2.1_nx111,SIFTeam/openembedded,nx111/openembeded_openpli2.1_nx111,dellysunnymtech/sakoman-oe,JamesAng/goe,sutajiokousagi/openembedded,JamesAng/oe,dave-billin/overo-ui-moos-auv,xifengchuo/openembedded,sledz/oe,trini/openembedded,rascalmicro/openembedded-rascal,sledz/oe,buglabs/oe-buglabs,sentient-energy/emsw-oe-mirror,giobauermeister/openembedded,buglabs/oe-buglabs,JamesAng/oe,sampov2/audio-openembedded,mrchapp/arago-oe-dev,nx111/openembeded_openpli2.1_nx111,dellysunnymtech/sakoman-oe,nx111/openembeded_openpli2.1_nx111,JamesAng/oe,xifengchuo/openembedded,John-NY/overo-oe,mrchapp/arago-oe-dev,sutajiokousagi/openembedded,trini/openembedded,dave-billin/overo-ui-moos-auv,dellysunnymtech/sakoman-oe,thebohemian/openembedded,sampov2/audio-openembedded,mrchapp/arago-oe-dev,nx111/openembeded_openpli2.1_nx111,SIFTeam/openembedded,sampov2/audio-openembedded,giobauermeister/openembedded,buglabs/oe-buglabs,Martix/Eonos,xifengchuo/openembedded,sentient-energy/emsw-oe-mirror,John-NY/overo-oe,BlackPole/bp-openembedded,openembedded/openembedded,yyli/overo-oe,BlackPole/bp-openembedded,openembedded/openembedded,sentient-energy/emsw-oe-mirror,rascalmicro/openembedded-rascal,sledz/oe,thebohemian/openembedded,dellysunnymtech/sakoman-oe,JamesAng/goe,nx111/openembeded_openpli2.1_nx111,BlackPole/bp-openembedded,yyli/overo-oe,giobauermeister/openembedded,openembedded/openembedded,JamesAng/goe,John-NY/overo-oe,rascalmicro/openembedded-rascal,xifengchuo/openembedded,hulifox008/openembedded,openembedded/openembedded,trini/openembedded,JamesAng/goe,scottellis/overo-oe,JamesAng/goe,buglabs/oe-buglabs,buglabs/oe-buglabs,dellysunnymtech/sakoman-oe,nx111/openembeded_openpli2.1_nx111,yyli/overo-oe,JamesAng/oe,sledz/oe,John-NY/overo-oe,giobauermeister/openembedded,dellysunnymtech/sakoman-oe,yyli/overo-oe,thebohemian/openembedded,hulifox008/openembedded,thebohemian/openembedded,JamesAng/oe,scottellis/overo-oe,sentient-energy/emsw-oe-mirror,yyli/overo-oe,JamesAng/goe,sutajiokousagi/openembedded,John-NY/overo-oe,rascalmicro/openembedded-rascal,xifengchuo/openembedded,sutajiokousagi/openembedded,hulifox008/openembedded,John-NY/overo-oe,buglabs/oe-buglabs,hulifox008/openembedded,trini/openembedded,sutajiokousagi/openembedded,buglabs/oe-buglabs,sledz/oe,openembedded/openembedded,scottellis/overo-oe,thebohemian/openembedded,sledz/oe,openembedded/openembedded,BlackPole/bp-openembedded,SIFTeam/openembedded,xifengchuo/openembedded,thebohemian/openembedded,sutajiokousagi/openembedded,sentient-energy/emsw-oe-mirror,Martix/Eonos,xifengchuo/openembedded,BlackPole/bp-openembedded,sentient-energy/emsw-oe-mirror,sledz/oe,trini/openembedded,yyli/overo-oe,buglabs/oe-buglabs,hulifox008/openembedded,SIFTeam/openembedded,JamesAng/goe,yyli/overo-oe,rascalmicro/openembedded-rascal,scottellis/overo-oe,nx111/openembeded_openpli2.1_nx111,openembedded/openembedded