SDL: emscripten: Drop commented out code from the dummy driver

SDL Commits
1 
From b4f11a36697b7397f9746c68ab24a79d9a0d0781 Mon Sep 17 00:00:00 2001
From: Charlie Birks <[EMAIL REDACTED]>
Date: Wed, 15 Apr 2020 14:48:52 +0100
Subject: [PATCH] emscripten: Drop commented out code from the dummy driver

---
 src/video/emscripten/SDL_emscriptenframebuffer.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/src/video/emscripten/SDL_emscriptenframebuffer.c b/src/video/emscripten/SDL_emscriptenframebuffer.c
index 4b05f1025a..219d48c50c 100644
--- a/src/video/emscripten/SDL_emscriptenframebuffer.c
+++ b/src/video/emscripten/SDL_emscriptenframebuffer.c
@@ -156,14 +156,6 @@ int Emscripten_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rec
         return 0;
     }, surface->w, surface->h, surface->pixels);
 
-    /*if (SDL_getenv("SDL_VIDEO_Emscripten_SAVE_FRAMES")) {
-        static int frame_number = 0;
-        char file[128];
-        SDL_snprintf(file, sizeof(file), "SDL_window%d-%8.8d.bmp",
-                     SDL_GetWindowID(window), ++frame_number);
-        SDL_SaveBMP(surface, file);
-    }*/
-
     if (emscripten_has_asyncify() && SDL_GetHintBoolean(SDL_HINT_EMSCRIPTEN_ASYNCIFY, SDL_TRUE)) {
         /* give back control to browser for screen refresh */
         emscripten_sleep(0);