enigma2: drop unused configure option "enable-maintainer-mode"
enigma2: drop unused configure option "enable-maintainer-mode"

JrCs/opendreambox,JrCs/opendreambox,demsey/openembedded,popazerty/openembedded-cuberevo,demsey/openembedded,YtvwlD/od-oe,demsey/openembedded,popazerty/openembedded-cuberevo,YtvwlD/od-oe,JrCs/opendreambox,JrCs/opendreambox,YtvwlD/od-oe,YtvwlD/od-oe,YtvwlD/od-oe,demsey/openembedded,popazerty/openembedded-cuberevo,YtvwlD/od-oe,JrCs/opendreambox,JrCs/opendreambox,demsey/openembedded,JrCs/opendreambox,popazerty/openembedded-cuberevo,YtvwlD/od-oe,popazerty/openembedded-cuberevo,popazerty/openembedded-cuberevo,demsey/openembedded,JrCs/opendreambox,YtvwlD/od-oe,JrCs/opendreambox,demsey/openembedded,popazerty/openembedded-cuberevo,popazerty/openembedded-cuberevo