Cleaning up remaining Local Mode Code (#7865)

python/ray/node.py

@@ -921,17 +921,3 @@ class Node:
             True if any process that wasn't explicitly killed is still alive.
         """
         return not any(self.dead_processes())
-
-
-# TODO(ilr) Remove this soon
-class LocalNode:
-    """Imitate the node that manages the processes in local mode."""
-
-    def kill_all_processes(self, *args, **kwargs):
-        """Kill all of the processes."""
-        pass  # Keep this function empty because it will be used in worker.py
-
-    @property
-    def address_info(self):
-        """Get a dictionary of addresses."""
-        return {}  # Return a null dict.