Bug 41635: Disable the Normandy component

Do not include Normandy at all whenever MOZ_NORMANDY is False.

browser/components/BrowserGlue.sys.mjs

@@ -2173,7 +2173,11 @@ BrowserGlue.prototype = {
       () => lazy.PageDataService.uninit(),
       () => lazy.PageThumbs.uninit(),
       () => lazy.NewTabUtils.uninit(),
-      () => lazy.Normandy.uninit(),
+      () => {
+        if (AppConstants.MOZ_NORMANDY) {
+          lazy.Normandy.uninit();
+        }
+      },
       () => lazy.RFPHelper.uninit(),
       () => lazy.ASRouterNewTabHook.destroy(),
       () => {

toolkit/components/moz.build

@@ -130,7 +130,9 @@ if CONFIG["MOZ_WIDGET_TOOLKIT"] not in ("android", "windows"):
     DIRS += ["aboutwebauthn"]
 
 if CONFIG["MOZ_BUILD_APP"] == "browser":
-    DIRS += ["featuregates", "messaging-system", "normandy"]
+    if CONFIG["MOZ_NORMANDY"]:
+        DIRS += ["normandy"]
+    DIRS += ["featuregates", "messaging-system"]
 
 DIRS += ["nimbus"]