no-bug - Improved initial startup performance and loading speeds, c=common, tabs, workspaces, t=perf

src/zen/workspaces/ZenWorkspacesStorage.mjs

@@ -584,7 +584,4 @@ var ZenWorkspaceBookmarksStorage = {
   },
 };
 
-ZenWorkspacesStorage.promiseDBInitialized = new Promise((resolve) => {
-  ZenWorkspacesStorage._resolveDBInitialized = resolve;
-  ZenWorkspacesStorage.init();
-});
+ZenWorkspacesStorage.init();