Remove now obsolete references to _g-suffixed binaries.
Automatic stripping of binaries was removed in commit e0be794and the _g binaries disappeared along with it.
Make sure we dont double test files and sort the list.
Originally committed as revision 22150 to svn://svn.ffmpeg.org/ffmpeg/trunk
Codec copy test.
Originally committed as revision 22148 to svn://svn.ffmpeg.org/ffmpeg/trunk