Removed SDL_INIT_EVERYTHING

Fixes https://github.com/libsdl-org/SDL/issues/8709

cmake/test/inc_sdl_noslash.c

@@ -3,6 +3,6 @@
 
 void inc_sdl_noslash(void) {
     SDL_SetMainReady();
-    SDL_Init(SDL_INIT_EVERYTHING);
+    SDL_Init(0);
     SDL_Quit();
 }

cmake/test/inc_sdl_slash.c

@@ -3,6 +3,6 @@
 
 void inc_sdl_slash(void) {
     SDL_SetMainReady();
-    SDL_Init(SDL_INIT_EVERYTHING);
+    SDL_Init(0);
     SDL_Quit();
 }