removed unused imports and blocks

lib/features/auth/controllers/auth_cubit.dart

@@ -1,5 +1,4 @@
 import 'package:bloc/bloc.dart';
-import 'package:flutter/material.dart';
 import 'package:kmobile/api/services/user_service.dart';
 import 'package:kmobile/core/errors/exceptions.dart';
 import 'package:kmobile/data/models/user.dart';

lib/features/auth/screens/mpin_screen.dart

@@ -4,7 +4,6 @@ import 'dart:math';
 // import 'dart:developer';
 
 import 'package:flutter/material.dart';
-import 'package:kmobile/app.dart';
 import 'package:kmobile/di/injection.dart';
 import 'package:kmobile/security/secure_storage.dart';
 import 'package:local_auth/local_auth.dart';

lib/features/profile/daily_transaction_limit.dart

@@ -111,12 +111,6 @@ class _DailyLimitScreenState extends State<DailyLimitScreen> {
     }
   }
 
-  void _removeLimit() {
-    setState(() {
-      _currentLimit = null;
-    });
-  }
-
   @override
   Widget build(BuildContext context) {
     if (_isLoading) {