remove unused code

If that code is ever needed, I'll try to rewrite it as a class
decorator, which is more hype

budget/utils.py

@@ -32,12 +32,3 @@ class Redirect303(HTTPException, RoutingException):
 
     def get_response(self, environ):
         return redirect(self.new_url, 303)
-
-
-def for_all_methods(decorator):
-    """Apply a decorator to all the methods of a class"""
-    def decorate(cls):
-        for name, method in inspect.getmembers(cls, inspect.ismethod):
-            setattr(cls, name, decorator(method))
-        return cls
-    return decorate