libpostproc: Remove crufty code disabled by the big bump.

libpostproc/postprocess.c

@@ -695,11 +695,7 @@ static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[]
 
 /* -pp Command line Help
 */
-#if LIBPOSTPROC_VERSION_INT < (52<<16)
-const char *const pp_help=
-#else
 const char pp_help[] =
-#endif
 "Available postprocessing filters:\n"
 "Filters                        Options\n"
 "short  long name       short   long option     Description\n"

libpostproc/postprocess.h

@@ -67,13 +67,7 @@ const char *postproc_license(void);
 typedef void pp_context;
 typedef void pp_mode;
 
-#if LIBPOSTPROC_VERSION_INT < (52<<16)
-typedef pp_context pp_context_t;
-typedef pp_mode pp_mode_t;
-extern const char *const pp_help; ///< a simple help text
-#else
 extern const char pp_help[]; ///< a simple help text
-#endif
 
 void  pp_postprocess(const uint8_t * src[3], const int srcStride[3],
                      uint8_t * dst[3], const int dstStride[3],