remove unwanted dependencies

Signed-off-by: Sahil Kumar <[email protected]>

packages/dart_client/lib/src/utils/result.dart

@@ -1,45 +0,0 @@
-import 'package:flutter/foundation.dart';
-import 'package:freezed_annotation/freezed_annotation.dart';
-
-import '../exceptions.dart';
-
-part 'result.freezed.dart';
-
-///
-@freezed
-abstract class Result<T> with _$Result<T> {
-  ///
-  const factory Result.success({@required T data}) = Success<T>;
-
-  ///
-  const factory Result.error({@required ApiError error}) = Error<T>;
-}
-
-///
-extension ResultX<T> on Result<T> {
-  ///
-  bool get isSuccess => this is Success<T>;
-
-  ///
-  bool get isError => this is Error<T>;
-
-  ///
-  T get data {
-    if (isError) {
-      throw Exception(
-        'Result is not successful. Check result.isSuccess before reading the data.',
-      );
-    }
-    return (this as Success<T>).data;
-  }
-
-  ///
-  ApiError get error {
-    if (isSuccess) {
-      throw Exception(
-        'Result is successful, not an error. Check result.isError before reading the error.',
-      );
-    }
-    return (this as Error<T>).error;
-  }
-}