Remove vestigal references to libsndfile

Author: madebr

build-scripts/release-info.json

@@ -36,7 +36,6 @@
       "archs": ["x86", "x64"],
       "args": [
         "-DBUILD_SHARED_LIBS=ON",
-        "-DSDLMIXER_SNDFILE=ON",
         "-DSDLMIXER_FLAC=ON",
         "-DSDLMIXER_FLAC_DRFLAC=ON",
         "-DSDLMIXER_GME=OFF",

cmake/SDL3_mixerConfig.cmake.in

@@ -12,8 +12,6 @@ set(SDL3_mixer_FOUND                ON)
 
 set(SDLMIXER_VENDORED              @SDLMIXER_VENDORED@)
 
-set(SDLMIXER_SNDFILE               @SDLMIXER_SNDFILE_ENABLED@)
-
 set(SDLMIXER_FLAC                  @SDLMIXER_FLAC_ENABLED@)
 set(SDLMIXER_FLAC_LIBFLAC          @SDLMIXER_FLAC_LIBFLAC_ENABLED@)
 set(SDLMIXER_FLAC_DRFLAC           @SDLMIXER_FLAC_DRFLAC_ENABLED@)
@@ -74,10 +72,6 @@ if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/SDL3_mixer-static-targets.cmake")
             set(CMAKE_FIND_PACKAGE_PREFER_CONFIG ON)
         endif()
 
-        if(SDLMIXER_SNDFILE AND NOT TARGET SndFile::sndfile)
-            find_dependency(SndFile)
-        endif()
-
         if(SDLMIXER_FLAC_LIBFLAC AND NOT TARGET FLAC::FLAC)
             find_dependency(FLAC)
         endif()