Remove -DTREMOR option since Tremor has dropped its internal
libogg2, and gst-plugins-base has dependency on that.

Upstream-Status: Inappropriate [configuration]

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Signed-off-by: Shane Wang <shane.wang@intel.com>

diff -r 70065fb4e085 ext/vorbis/Makefile.am
--- a/ext/vorbis/Makefile.am	Tue Mar 13 16:36:56 2012 +0800
+++ b/ext/vorbis/Makefile.am	Tue Mar 13 16:38:53 2012 +0800
@@ -30,7 +30,7 @@
 	gstvorbisdec.c gstvorbisdeclib.c gstvorbiscommon.c
 libgstivorbisdec_la_CFLAGS = \
 	$(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) \
-	-DTREMOR $(IVORBIS_CFLAGS)
+	$(IVORBIS_CFLAGS)
 libgstivorbisdec_la_LIBADD = \
 	$(top_builddir)/gst-libs/gst/tag/libgsttag-@GST_MAJORMINOR@.la \
 	$(top_builddir)/gst-libs/gst/audio/libgstaudio-@GST_MAJORMINOR@.la \