Remove some cruft.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@740 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/common.h

@@ -15,14 +15,6 @@
 //#define LIBMPEG2_BITSTREAM_READER
 //#define A32_BITSTREAM_READER
 
-#ifdef ARCH_ALPHA
-#define ALT_BITSTREAM_READER
-#endif
-
-//#define ALIGNED_BITSTREAM
-#define FAST_GET_FIRST_VLC
-//#define DUMP_STREAM
-
 #ifdef HAVE_AV_CONFIG_H
 /* only include the following when compiling package */
 #include "config.h"