only enable emoji for osx - closes #405 (#415)
only enable emoji for osx - closes #405 (#415)


andreypopp/esy,mvestergaard/yarn,lawliet89/yarn,mourner/yarn,CHECK24/yarn,mgcrea/yarn,MiguelAlho/yarn,bsansouci/esy,dxu/yarn,dxu/yarn,suitupalex/yarn,onemen/yarn,troydemonbreun/yarn,lawliet89/yarn,FLGMwt/yarn,ConAntonakos/yarn,dguo/yarn,FLGMwt/yarn,joeyespo/yarn,joeyespo/yarn,andreypopp/esy,MiguelAlho/yarn,mourner/yarn,suitupalex/yarn,CHECK24/yarn,kasperlewau/yarn,seripap/emojiless-yarn,mvestergaard/yarn,mgcrea/yarn,onemen/yarn,bsansouci/esy,ConAntonakos/yarn,seripap/emojiless-yarn,bsansouci/esy,dguo/yarn,andreypopp/esy,kasperlewau/yarn,troydemonbreun/yarn