WinGui:  Remove the CLI Check Helper. Using LibHB to determine version information instead.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6564 b64f7644-9d1e-0410-96f1-a4d463321fa5
WinGui: Remove another HandBrakeCLI process helper.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6565 b64f7644-9d1e-0410-96f1-a4d463321fa5