Remove grpc-c
diff --git a/.gitmodules b/.gitmodules
index 164c2bd..3fd299b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "third_party/grpc-c"]
-	path = third_party/grpc-c
-	url = https://github.com/shadansari/grpc-c.git
 [submodule "third_party/grpc"]
 	path = third_party/grpc
 	url = https://github.com/grpc/grpc.git
diff --git a/third_party/grpc-c b/third_party/grpc-c
deleted file mode 160000
index 353b40c..0000000
--- a/third_party/grpc-c
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 353b40cd920cd749ed6cf71f8df17f1d5cf2c89d