Removed unused files, code cleanup

lib/helpers/permission_helpers.dart

@@ -0,0 +1,14 @@
+import 'dart:developer';
+
+import 'package:permission_handler/permission_handler.dart';
+
+Future<bool> askForPermission(Permission permission) async {
+  final status = await permission.request();
+  log("Permission requested, new status is $status");
+  // If user has permanently declined permission, open settings.
+  if (status == PermissionStatus.permanentlyDenied) {
+    await openAppSettings();
+  }
+
+  return status == PermissionStatus.granted;
+}