Remove unused definitions: CONFIG_MSMPEG4 and CONFIG_WMV_ENCODER.

Originally committed as revision 20969 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/msmpeg4.h

@@ -58,9 +58,7 @@ int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
                                 CONFIG_MSMPEG4V2_ENCODER || \
                                 CONFIG_MSMPEG4V3_ENCODER || \
                                 CONFIG_WMV2_ENCODER)
-#define CONFIG_MSMPEG4 (CONFIG_MSMPEG4_DECODER || CONFIG_MSMPEG4_ENCODER)
 #define CONFIG_WMV2 (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER)
 #define CONFIG_WMV_DECODER (CONFIG_WMV1_DECODER || CONFIG_WMV2_DECODER)
-#define CONFIG_WMV_ENCODER (CONFIG_WMV1_ENCODER || CONFIG_WMV2_ENCODER)
 
 #endif /* AVCODEC_MSMPEG4_H */