TF-1842: Create deleteSendingEmail in data layer

(cherry picked from commit 71a998e7753e54bea35f41042c8f03c53394ccca)

lib/features/email/data/datasource/email_datasource.dart

@@ -93,4 +93,6 @@ abstract class EmailDataSource {
   Future<void> storeSendingEmail(AccountId accountId, UserName userName, SendingEmail sendingEmail);
 
   Future<List<SendingEmail>> getAllSendingEmails(AccountId accountId, UserName userName);
+
+  Future<void> deleteSendingEmail(AccountId accountId, UserName userName, EmailId emailId);
 }

lib/features/email/data/datasource_impl/email_datasource_impl.dart

@@ -198,4 +198,9 @@ class EmailDataSourceImpl extends EmailDataSource {
   Future<List<SendingEmail>> getAllSendingEmails(AccountId accountId, UserName userName) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<void> deleteSendingEmail(AccountId accountId, UserName userName, EmailId emailId) {
+    throw UnimplementedError();
+  }
 }

lib/features/email/data/repository/email_repository_impl.dart

@@ -226,4 +226,9 @@ class EmailRepositoryImpl extends EmailRepository {
   Future<void> storeSendingEmail(AccountId accountId, UserName userName, SendingEmail sendingEmail) {
     return emailDataSource[DataSourceType.hiveCache]!.storeSendingEmail(accountId, userName, sendingEmail);
   }
+
+  @override
+  Future<void> deleteSendingEmail(AccountId accountId, UserName userName, EmailId emailId) {
+    return emailDataSource[DataSourceType.hiveCache]!.deleteSendingEmail(accountId, userName, emailId);
+  }
 }