Deprecate most of gaia_auth extension

chrome/browser/resources/gaia_auth/manifest.json

Index: chrome/browser/resources/gaia_auth/manifest.json
diff --git a/chrome/browser/resources/gaia_auth/manifest.json b/chrome/browser/resources/gaia_auth/manifest.json
index 0e708d01274eac00da5c8f06701d44a92648313f..a5ff0af3bf2442ea6e3d7160ae7141b36f7b4ea0 100644
--- a/chrome/browser/resources/gaia_auth/manifest.json
+++ b/chrome/browser/resources/gaia_auth/manifest.json
@@ -4,36 +4,9 @@
   "name": "GaiaAuthExtension",
   "version": "0.0.1",
   "manifest_version": 2,
-  "background" : {
-    "scripts": ["channel.js", "background.js"]
-  },
-  "content_scripts": [
-    {
-      "matches": [
-        "<all_urls>"
-      ],
-      "js": ["channel.js", "saml_injected.js"],
-      "run_at": "document_start",
-      "all_frames": true
-    }
-  ],
-  "content_security_policy": "default-src 'self' blob: filesystem:; script-src 'self' blob: filesystem:; frame-src 'self' blob: filesystem: http: https:; style-src 'self' blob: filesystem:",
   "description": "GAIA Component Extension",
   "incognito": "split",
   "web_accessible_resources": [
-    "main.css",
-    "main.html",
-    "main.js",
-    "offline.css",
-    "offline.html",
-    "offline.js",
-    "success.html",
-    "success.js",
-    "util.js"
-  ],
-  "permissions": [
-    "<all_urls>",
-    "webRequest",
-    "webRequestBlocking"
+    "success.html"
   ]
 }