Clean up README
Clean up README
libinbensin/androidtv-Leanback,littleli/androidtv-Leanback,AdamRLukaitis/androidtv-Leanback,mstarvid/androidtv-Leanback,SeanPONeil/HyprMX-AndroidTV-Leanback,ramialcheikh/leanback,cartland/androidtv-Leanback,leasual/androidtv-Leanback,googlearchive/androidtv-Leanback,KazumiHARADA/TvCleanArchitecture2,thiagoricieri/androidtv-Leanback,googlesamples/androidtv-Leanback