Remove a warning when libsndfile is not present (dr_mp3 still used)

Signed-off-by: falkTX <falktx@falktx.com>

source/native-plugins/audio-file.cpp

@@ -33,12 +33,6 @@ static const char* const audiofilesWildcard =
 #else
     "*.mp3;"
 #endif
-#if !defined(HAVE_SNDFILE) && !defined(HAVE_FFMPEG)
-    ""
-# ifndef BUILDING_FOR_CI
-#  warning sndfile and ffmpeg libraries missing, no audio file support will be available
-# endif
-#endif
 ;
 
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