contrib: remove mention of outdated patches

extras/contrib/README

@@ -36,17 +36,3 @@ echo "HAVE_AMR=1" >> config.mak
 and add .libamrwb .libamrnb (before .ffmpeg) to your distro.mak. Then rebuild the contrib with: 
 
 make src
-
-
- II) The following patches have already been sent to the upstream developers:
-
-ffmpeg-cvs-mactel.patch - split in 5 and sent to ffmpeg-devel@mplayerhq.hu
- o patch-ffmpeg-0b.diff
- o patch-ffmpeg-darwin-support.diff
- o patch-ffmpeg-inline-asm-macros.diff
- o patch-ffmpeg-nop.diff
- o patch-ffmpeg-p2align.diff
-flac-mactel.patch - sent to flac-dev@lists.sourceforge.net
-libdvdnav-mactel.patch - sent to dvd-devel@lists.sourceforge.net
-mpeg2dec.patch - committed upstream, will be in the 0.4.1 release
-