Remove unnecessary wrapper around emscripten_fetch_free. NFC (#23280)

Author: sbc100

src/library_fetch.js

@@ -14,7 +14,7 @@ var LibraryFetch = {
   _emscripten_fetch_get_response_headers_length: fetchGetResponseHeadersLength,
   _emscripten_fetch_get_response_headers__deps: ['$lengthBytesUTF8', '$stringToUTF8'],
   _emscripten_fetch_get_response_headers: fetchGetResponseHeaders,
-  _emscripten_fetch_free: fetchFree,
+  emscripten_fetch_free: fetchFree,
 
 #if FETCH_SUPPORT_INDEXEDDB
   $fetchDeleteCachedData: fetchDeleteCachedData,

src/library_sigs.js

@@ -314,7 +314,6 @@ sigs = {
   _emscripten_dlopen_js__sig: 'vpppp',
   _emscripten_dlsync_threads__sig: 'v',
   _emscripten_dlsync_threads_async__sig: 'vppp',
-  _emscripten_fetch_free__sig: 'vi',
   _emscripten_fetch_get_response_headers__sig: 'pipp',
   _emscripten_fetch_get_response_headers_length__sig: 'pi',
   _emscripten_fs_load_embedded_files__sig: 'vp',
@@ -628,6 +627,7 @@ sigs = {
   emscripten_exit_pointerlock__sig: 'i',
   emscripten_exit_soft_fullscreen__sig: 'i',
   emscripten_exit_with_live_runtime__sig: 'v',
+  emscripten_fetch_free__sig: 'vi',
   emscripten_fiber_swap__sig: 'vpp',
   emscripten_force_exit__sig: 'vi',
   emscripten_get_battery_status__sig: 'ip',

system/lib/fetch/emscripten_fetch.c

@@ -233,10 +233,6 @@ void emscripten_fetch_free_unpacked_response_headers(char **unpackedHeaders) {
   }
 }
 
-void emscripten_fetch_free(unsigned int id) {
-  return _emscripten_fetch_free(id);
-}
-
 static void fetch_free(emscripten_fetch_t* fetch) {
   emscripten_fetch_free(fetch->id);
   fetch->id = 0;

system/lib/libc/emscripten_internal.h

@@ -137,7 +137,7 @@ struct emscripten_fetch_t;
 void emscripten_start_fetch(struct emscripten_fetch_t* fetch);
 size_t _emscripten_fetch_get_response_headers_length(int32_t fetchID);
 size_t _emscripten_fetch_get_response_headers(int32_t fetchID, char *dst, size_t dstSizeBytes);
-void _emscripten_fetch_free(unsigned int);
+void emscripten_fetch_free(unsigned int);
 
 EMSCRIPTEN_RESULT _emscripten_set_offscreencanvas_size(const char *target, int width, int height);