Undo bogus commit
diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c
index ddcd826..6af5947 100644
--- a/src/core/lib/surface/server.c
+++ b/src/core/lib/surface/server.c
@@ -772,7 +772,6 @@
   }
 
   grpc_closure_run(exec_ctx, calld->on_done_recv_initial_metadata, error);
-  GRPC_ERROR_UNREF(error);
 }
 
 static void server_mutate_op(grpc_call_element *elem,