[py]: Remove unused arg resolve_ip from RemoteConnection initialiser (#10717)

Remove unused arg `resolve_ip` from `RemoteConnection` initialiser

Author: symonk

py/selenium/webdriver/remote/remote_connection.py

@@ -161,12 +161,7 @@ def _get_connection_manager(self):
 
         return urllib3.PoolManager(**pool_manager_init_args)
 
-    def __init__(self, remote_server_addr, keep_alive=False, resolve_ip=None, ignore_proxy=False):
-        if resolve_ip:
-            import warnings
-            warnings.warn(
-                "'resolve_ip' option removed; ip addresses are now always resolved by urllib3.",
-                DeprecationWarning)
+    def __init__(self, remote_server_addr, keep_alive=False, ignore_proxy=False):
         self.keep_alive = keep_alive
         self._url = remote_server_addr