images: Remove redundant PACKAGE_FORCE_INSTALL variable from muffinman-image.
images: Remove redundant PACKAGE_FORCE_INSTALL variable from muffinman-image.

PACKAGE_FORCE_INSTALL was a custom option that is no longer required, as
all custom files that required such an option have been moved to their
respective recipes.

Signed-off-by: Alex Ferguson <d3a3ee81b645c9e94ee2e6bbc2271c572ff35b4a@gmail.com>
Signed-off-by: Kristoffer Ericson <aa612af59a96f3eb9dbe4c12cd763177da6414ff@gmail.com>

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