Remove gdp plugin. It has been moved to gst1-plugins-bad

Do not build docs for now, due to build error
Drop gst-visualise
Add man page for gst-discoverer

gstreamer1-plugins-base.spec

@@ -94,7 +94,6 @@ for the GStreamer Base Plugins library.
   --with-package-name='Fedora GStreamer-plugins-base package' \
   --with-package-origin='http://download.fedoraproject.org' \
   --enable-experimental \
-  --enable-gtk-doc \
   --enable-orc
 make %{?_smp_mflags}
 
@@ -178,7 +177,6 @@ chrpath --delete $RPM_BUILD_ROOT%{_bindir}/gst-discoverer-1.0
 %{_libdir}/gstreamer-%{majorminor}/libgstaudioresample.so
 %{_libdir}/gstreamer-%{majorminor}/libgstaudiotestsrc.so
 %{_libdir}/gstreamer-%{majorminor}/libgstencodebin.so
-%{_libdir}/gstreamer-%{majorminor}/libgstgdp.so
 %{_libdir}/gstreamer-%{majorminor}/libgstgio.so
 %{_libdir}/gstreamer-%{majorminor}/libgstplayback.so
 %{_libdir}/gstreamer-%{majorminor}/libgstsubparse.so
@@ -204,8 +202,7 @@ chrpath --delete $RPM_BUILD_ROOT%{_bindir}/gst-discoverer-1.0
 
 %files tools
 %{_bindir}/gst-discoverer-%{majorminor}
-%{_bindir}/gst-visualise-%{majorminor}
-%{_mandir}/man1/gst-visualise-*.gz
+%{_mandir}/man1/gst-discoverer-*.gz
 
 %files devel
 %dir %{_includedir}/gstreamer-%{majorminor}/gst/app