examples: Print a description of the program to the console on startup.

examples/audio/02-simple-playback-callback/simple-playback-callback.c

@@ -79,9 +79,6 @@ int SDL_AppInit(void **appstate, int argc, char *argv[])
     /* SDL_OpenAudioDeviceStream starts the device paused. You have to tell it to start! */
     SDL_ResumeAudioStreamDevice(stream);
 
-    /* (this is a web browser requirement, not an SDL thing.) */
-    SDL_Log("If you're running this in a web browser, you need to click the window before you'll hear anything.");
-
     return SDL_APP_CONTINUE;  /* carry on with the program! */
 }