Remove some unnecessary dependencies

net/grpc/gateway/examples/echo/commonjs-example/package.json

@@ -8,8 +8,7 @@
     "grpc-web": "~1.1.0"
   },
   "devDependencies": {
-    "browserify": "~16.5.0",
     "webpack": "~4.43.0",
-    "webpack-cli": "~3.3.0"
+    "webpack-cli": "~3.3.11"
   }
 }

net/grpc/gateway/examples/echo/ts-example/package.json

@@ -3,12 +3,11 @@
     "@types/google-protobuf": "~3.7.0",
     "@types/jquery": "~3.3.6",
     "@types/node": "~10.17.0",
-    "browserify": "~16.5.0",
     "google-protobuf": "~3.12.0",
     "grpc-web": "~1.1.0",
-    "jquery": "~3.3.1",
+    "jquery": "~3.5.1",
     "mock-xmlhttprequest": "~2.0.0",
     "webpack": "~4.43.0",
-    "webpack-cli": "~3.3.0"
+    "webpack-cli": "~3.3.11"
   }
 }

net/grpc/gateway/examples/echo/tutorial.md

@@ -158,9 +158,8 @@ You will need a `package.json` file
     "grpc-web": "~1.1.0"
   },
   "devDependencies": {
-    "browserify": "~16.5.0",
     "webpack": "~4.43.0",
-    "webpack-cli": "~3.3.0"
+    "webpack-cli": "~3.3.11"
   }
 }
 ```

net/grpc/gateway/examples/helloworld/README.md

@@ -202,7 +202,7 @@ the `client.js` files.
     "grpc-web": "~1.1.0",
     "lodash": "~4.17.0",
     "webpack": "~4.43.0",
-    "webpack-cli": "~3.3.0"
+    "webpack-cli": "~3.3.11"
   }
 }
 ```

net/grpc/gateway/examples/helloworld/package.json

@@ -11,6 +11,6 @@
     "grpc-web": "~1.1.0",
     "lodash": "~4.17.0",
     "webpack": "~4.43.0",
-    "webpack-cli": "~3.3.0"
+    "webpack-cli": "~3.3.11"
   }
 }