.wikiheaders-options: there are no more `KMOD_` or `AUDIO_` symbols in SDL3.

.wikiheaders-options

@@ -3,7 +3,7 @@ projectshortname = SDL
 incsubdir = include/SDL3
 wikisubdir =
 readmesubdir = docs
-apiprefixregex = (SDL_|SDLK_|KMOD_|AUDIO_)
+apiprefixregex = (SDL_|SDLK_)
 mainincludefname = SDL3/SDL.h
 versionfname = include/SDL3/SDL_version.h
 versionmajorregex = \A\#define\s+SDL_MAJOR_VERSION\s+(\d+)\Z