Remove splice as too dangerous (and hopefully unnecessary).

volatility/framework/configuration/__init__.py

@@ -128,15 +128,6 @@ class HierarchicalDict(collections.Mapping):
         else:
             return self._subdict[key]
 
-    def splice(self, key, subdict):
-        """Overwrites a branch in an existing tree with a new tree
-
-           WARNING: This will *NOT* make alterations to objects that have already been given a config_path
-                    meaning those objects will fail their configuration lookup.
-           This can also be used to bulk delete a branch of a tree by passing in None
-        """
-        self._setitem(key, subdict, is_data = False)
-
     def clone(self):
         """Duplicate the configuration, allowing changes without affecting the original"""
         return copy.deepcopy(self)