remove mime types we don't immediately need

Author: Archmonger

src/py/reactpy/reactpy/backend/__init__.py

@@ -5,11 +5,6 @@
 MIME_TYPES = {
     ".js": "application/javascript",
     ".css": "text/css",
-    ".ico": "image/x-icon",
-    ".png": "image/png",
-    ".jpg": "image/jpeg",
-    ".jpeg": "image/jpeg",
-    ".svg": "image/svg+xml",
     ".json": "application/json",
 }
 for extension, mime_type in MIME_TYPES.items():