Delete unused file

lib/core/network/dio.dart

@@ -1,36 +0,0 @@
-import 'package:dio/dio.dart';
-
-import '../../utils/constants/api_const.dart';
-
-class DioInstance {
-  Dio? _dio;
-
-  Dio get dio => _dio ?? _instantiate();
-
-  String? baseUrl;
-
-  DioInstance({this.baseUrl});
-
-  Dio _instantiate() {
-    Dio dio = Dio(
-      BaseOptions(
-        baseUrl: baseUrl ?? '${ApiEndpoints.baseUrl}/',
-        receiveDataWhenStatusError: true,
-        headers: {
-          'content_Type': 'application/json',
-        },
-      ),
-    );
-
-    dio.interceptors.add(
-      LogInterceptor(
-        responseHeader: false,
-        requestHeader: false,
-        requestBody: true,
-        responseBody: true,
-      ),
-    );
-
-    return dio;
-  }
-}