Remove media-info, which is also successed by playbin (see Totem implementation).

Remove media-info, which is also successed by playbin (see Totem implementation).

Original commit message from CVS:
* configure.ac:
* gst-libs/gst/Makefile.am:
* gst-libs/gst/media-info/.cvsignore:
* gst-libs/gst/media-info/Makefile.am:
* gst-libs/gst/media-info/README:
* gst-libs/gst/media-info/media-info-priv.c:
* gst-libs/gst/media-info/media-info-priv.h:
* gst-libs/gst/media-info/media-info-test.c:
* gst-libs/gst/media-info/media-info.c:
* gst-libs/gst/media-info/media-info.h:
* gst-libs/gst/media-info/media-info.vcproj:
* pkgconfig/Makefile.am:
* pkgconfig/gstreamer-media-info-uninstalled.pc.in:
* pkgconfig/gstreamer-media-info.pc.in:
Remove media-info, which is also successed by playbin (see Totem
implementation).