Mark packages as private (#193414)

extensions/grunt/package.json

@@ -4,6 +4,7 @@
   "description": "Extension to add Grunt capabilities to VS Code.",
   "displayName": "Grunt support for VS Code",
   "version": "1.0.0",
+  "private": true,
   "icon": "images/grunt.png",
   "license": "MIT",
   "engines": {

extensions/ini/package.json

@@ -3,6 +3,7 @@
   "displayName": "%displayName%",
   "description": "%description%",
   "version": "1.0.0",
+  "private": true,
   "publisher": "vscode",
   "license": "MIT",
   "engines": {

extensions/npm/package.json

@@ -4,6 +4,7 @@
   "displayName": "%displayName%",
   "description": "%description%",
   "version": "1.0.1",
+  "private": true,
   "license": "MIT",
   "engines": {
     "vscode": "0.10.x"