we don't even need to build grpc library for grpc extension...

Author: henderkes

config/ext.json

@@ -236,7 +236,9 @@
         "arg-type-unix": "enable-path",
         "cpp-extension": true,
         "lib-depends": [
-            "grpc"
+            "zlib",
+            "openssl",
+            "libcares"
         ]
     },
     "iconv": {