Revert "fix(notification/windows): Grant permission without invoking backend"

This reverts commit 4c120d4176.

plugins/notification/src/lib.rs

@@ -227,10 +227,7 @@ pub fn init<R: Runtime>() -> TauriPlugin<R> {
             commands::request_permission,
             commands::is_permission_granted
         ])
-        .js_init_script(include_str!("init-iife.js").replace(
-            "__TEMPLATE_windows__",
-            if cfg!(windows) { "true" } else { "false" },
-        ))
+        .js_init_script(include_str!("init-iife.js").to_string())
         .setup(|app, api| {
             #[cfg(mobile)]
             let notification = mobile::init(app, api)?;