Remove support for local client in testing. (#573)

Signed-off-by: dblock <[email protected]>

test_opensearchpy/test_server/__init__.py

@@ -32,7 +32,7 @@ from unittest import SkipTest
 from opensearchpy.helpers import test
 from opensearchpy.helpers.test import OpenSearchTestCase as BaseTestCase
 
-client = None
+client: Any = None
 
 
 def get_client(**kwargs: Any) -> Any:
@@ -42,18 +42,11 @@ def get_client(**kwargs: Any) -> Any:
     if client is not None and not kwargs:
         return client
 
-    # try and locate manual override in the local environment
     try:
-        from test_opensearchpy.local import get_client as local_get_client
-
-        new_client = local_get_client(**kwargs)
-    except ImportError:
-        # fallback to using vanilla client
-        try:
-            new_client = test.get_test_client(**kwargs)
-        except SkipTest:
-            client = False
-            raise
+        new_client = test.get_test_client(**kwargs)
+    except SkipTest:
+        client = False
+        raise
 
     if not kwargs:
         client = new_client