LinGui: remove video qualite range warning

It just causes confusion


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6297 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: improve denoise filter tooltip


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6298 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: make video preset/tune/profile/level tooltips more general

...so they apply to x265 as well.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6299 b64f7644-9d1e-0410-96f1-a4d463321fa5