Update locale

Author: hiifong

options/locale/locale_en-US.ini

@@ -3297,15 +3297,6 @@ config.test_mail_sent = A testing email has been sent to "%s".
 
 config.incoming_mail_config = Incoming Mail Configuration
 config.incoming_mail_enabled = Enabled
-config.incoming_mail_reply_to_address = Reply To Address
-config.incoming_mail_host = Host
-config.incoming_mail_port = Port
-config.incoming_mail_username = Username
-config.incoming_mail_password = Password
-config.incoming_mail_use_tls = Use TLS
-config.incoming_mail_skip_tls_verify = Skip TLS Verify
-config.incoming_mail_mailbox = Mailbox
-config.incoming_mail_maximum_message_size = Maximum Message Size
 config.incoming_mail_test = Test Incoming Mail
 config.incoming_mail_test_btn = Test
 config.incoming_mail_description = Test Description