GetHelp/HelpApp: manifests updated for M54

chrome/browser/resources/help_app/manifest.json

Index: chrome/browser/resources/help_app/manifest.json
diff --git a/chrome/browser/resources/help_app/manifest.json b/chrome/browser/resources/help_app/manifest.json
index 65563c776af34a95bf2695242d07703254b523e4..6707e030a275c2419a2ebfced77d2ae07ba76ae4 100644
--- a/chrome/browser/resources/help_app/manifest.json
+++ b/chrome/browser/resources/help_app/manifest.json
@@ -6,26 +6,5 @@
   "default_locale": "en",
   "manifest_version": 2,
   "content_security_policy": "default-src 'self' blob: filesystem:; img-src 'self' blob: filesystem: data:;",
-  "background": {
-    "scripts": [
-      "js/background-bundle.js"
-    ],
-    "persistent": false
-  },
-  "content_scripts": [
-    {
-      "js": ["js/content_script_head.js"],
-      "matches": ["https://support.google.com/chromebook/*"],
-      "run_at": "document_start"
-    },
-    {
-      "js": ["js/content_script_foot.js"],
-      "matches": ["https://support.google.com/chromebook/*"],
-      "run_at": "document_idle"
-    }
-  ],
-  "permissions": [
-    "storage"
-  ],
   "incognito": "split"
 }