avcodec/dsd: Fix "warning: ctables defined but not used [-Wunused-variable]"

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/dsd.h

@@ -27,7 +27,6 @@
 #include "libavcodec/internal.h"
 #include "libavcodec/mathops.h"
 #include "avcodec.h"
-#include "dsd_tablegen.h"
 
 #define HTAPS   48               /** number of FIR constants */
 #define FIFOSIZE 16              /** must be a power of two */