Revert "x264: in crf mode, set stream bitrate to be maxrate, so in muxer we have some idea about bitrate"
Revert "x264: in crf mode, set stream bitrate to be maxrate, so in muxer we have some idea about bitrate"

This reverts commit 8eac86677e3f6f131ca935571c63646907db9a28.

It causes issue that if user has defined vbv-maxrate, code would set bitrate to be vbv-maxrate
and after probe-phase it would think that bitrate was requested and changes to ABR mode, instead
of staying in CRF mode.

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc