Bug 1550651 - Remove AboutDebuggingNew component registration r=daisuke

The component is no longer needed since we enabled the new aboutdebugging by default on Nightly

Differential Revision: https://phabricator.services.mozilla.com/D32756

--HG--
extra : moz-landing-system : lando

devtools/startup/AboutDebuggingNewRegistration.jsm

@@ -1,40 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-// This component is only registered and packaged for local and nightly builds in order to
-// open the new about:debugging when going to about:debugging-new, without having to flip
-// the preference. This allows running both versions of about:debugging side by side to
-// compare them.
-const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
-
-const { nsIAboutModule } = Ci;
-
-function AboutDebuggingNew() {}
-
-AboutDebuggingNew.prototype = {
-  classDescription: "about:debugging-new",
-  classID: Components.ID("610e4e26-26bd-4a7d-aebc-69211d5a3be0"),
-  contractID: "@mozilla.org/network/protocol/about;1?what=debugging-new",
-
-  QueryInterface: ChromeUtils.generateQI([nsIAboutModule]),
-
-  newChannel: function(_, loadInfo) {
-    const uri = "chrome://devtools/content/aboutdebugging-new/index.html";
-
-    const chan = Services.io.newChannelFromURIWithLoadInfo(
-      Services.io.newURI(uri),
-      loadInfo
-    );
-    chan.owner = Services.scriptSecurityManager.getSystemPrincipal();
-    return chan;
-  },
-
-  getURIFlags: function(uri) {
-    return nsIAboutModule.ALLOW_SCRIPT;
-  },
-};
-
-var EXPORTED_SYMBOLS = ["AboutDebuggingNew"];

devtools/startup/components.conf

@@ -28,13 +28,3 @@ if buildconfig.substs['MOZ_DEVTOOLS'] == 'all':
             'constructor': 'AboutDevtoolsToolbox',
         },
     ]
-
-if defined('NIGHTLY_BUILD'):
-    Classes += [
-        {
-            'cid': '{610e4e26-26bd-4a7d-aebc-69211d5a3be0}',
-            'contract_ids': ['@mozilla.org/network/protocol/about;1?what=debugging-new'],
-            'jsm': 'resource:///modules/AboutDebuggingNewRegistration.jsm',
-            'constructor': 'AboutDebuggingNew',
-        },
-    ]

devtools/startup/moz.build

@@ -23,11 +23,6 @@ if CONFIG['MOZ_DEVTOOLS'] == 'all':
       'locales',
     ]
 
-if CONFIG['NIGHTLY_BUILD']:
-    EXTRA_JS_MODULES += [
-        'AboutDebuggingNewRegistration.jsm',
-    ]
-
 XPCOM_MANIFESTS += [
     'components.conf',
 ]