core: remove code related to embedding player with width/height as percentage
core: remove code related to embedding player with width/height as percentage

Metrakit/clappr,kelonye/clappr,Peer5/clappr,burakkp/clappr,burakkp/clappr,tjenkinson/clappr,jfairley/clappr,jfairley/clappr,kelonye/clappr,flavioribeiro/clappr,wxmfront/clappr,irongomme/clappr,flavioribeiro/clappr,leandromoreira/clappr,wxmfront/clappr,dayvson/clappr,Peer5/clappr,dayvson/clappr,Pyrotoxin/clappr,tarkanlar/clappr,tjenkinson/clappr,Metrakit/clappr,flavioribeiro/clappr,kelonye/clappr,irongomme/clappr,shakin/clappr,Peer5/clappr,shakin/clappr,Pyrotoxin/clappr,irongomme/clappr,MariadeAnton/clappr,Metrakit/clappr,leandromoreira/clappr,clappr/clappr,tarkanlar/clappr,clappr/clappr,MariadeAnton/clappr,clappr/clappr,MariadeAnton/clappr,wxmfront/clappr,jfairley/clappr,tarkanlar/clappr,shakin/clappr,burakkp/clappr,leandromoreira/clappr,tjenkinson/clappr,Pyrotoxin/clappr,dayvson/clappr