Remove note about platform support from README.
Remove note about platform support from README.

mglidden/CocoaPods,segiddins/CocoaPods,vivekshukla-mob-ibtech/Repository,0xced/CocoaPods,SinnerSchraderMobileMirrors/CocoaPods,Ashton-W/CocoaPods,ashfurrow/CocoaPods,orta/CocoaPods,mglidden/CocoaPods,mglidden/CocoaPods