Removing hideFullscreen() method from Controlbar and View
This method was originally used to hide fullscreen button for audio only files, but we would now like to support this functionality.
[Fixes #77828634]
https://github.com/jwplayer/jwplayer/commit/49d813b736b5bf4edf44b56f7def1ffe5dd1b687#diff-937f9784fa827bf2245cdc66a15cd897R684