cc userver/testsuite: rm grpc_mockserver_new

commit_hash:5a1fd28d1edb7f8c114837597fb3b3d6157b8552

Author: Anton3

testsuite/pytest_plugins/pytest_userver/plugins/grpc/mockserver.py

@@ -130,14 +130,6 @@ def patch_config(config_yaml, _config_vars):
     return patch_config
 
 
-@pytest.fixture
-def grpc_mockserver_new(grpc_mockserver) -> pytest_userver.grpc.Mockserver:
-    """
-    @deprecated Legacy alias for @ref pytest_userver.plugins.grpc.mockserver.grpc_mockserver "grpc_mockserver".
-    """
-    return grpc_mockserver
-
-
 # @cond