Only have `-copy:` method if !TARGET_OS_TV
Only have `-copy:` method if !TARGET_OS_TV

Also updated the check in `-canPerformAction:` to return NO if running as TV

TTTAttributedLabel/TTTAttributedLabel,Voxer/TTTAttributedLabel,buiminhhuy/TTTAttributedLabel,mattt/TTTAttributedLabel,Akylas/TTTAttributedLabel,NewAmsterdamLabs/TTTAttributedLabel