#1055 Remove multiple "please register" messages

Part 1:
- Use only one message entry for "Please register", that may have to be adapted to reflect the proper /register arguments
- Remove other message entries from code and from the messages files

Breaking change: reg_email_msg is also removed

src/main/resources/messages/messages_ko.yml

@@ -20,7 +20,6 @@ no_perm: '&c권한이 없습니다'
 error: '&f오류가 발생했습니다; 관리자에게 문의해주세요'
 login_msg: '&c접속 하실려면 "/login 비밀번호"를 치세요'
 reg_msg: '&c가입하실려면 "/register 비밀번호 비밀번호재입력"을 치세요'
-reg_email_msg: '&c가입하실려면 "/register <이메일> <이메일재입력>을 치세요"'
 usage_unreg: '&c사용법: /unregister 비밀번호'
 pwd_changed: '&c비밀번호를 변경했습니다!'
 user_unknown: '&c사용자이름은 가입되지 않았습니다'
@@ -62,9 +61,6 @@ antibot_auto_disabled: '[AuthMe] 봇차단모드가 %m 분 후에 자동적으
 # TODO same_ip_online: 'A player with the same IP is already in game!'
 # TODO denied_chat: '&cIn order to chat you must be authenticated!'
 # TODO kick_antibot: 'AntiBot protection mode is enabled! You have to wait some minutes before joining the server.'
-# TODO reg_no_repeat_msg: '&3Please, register to the server with the command "/register <password>"'
-# TODO reg_email_no_repeat_msg: '&3Please, register to the server with the command "/register <email>"'
-# TODO reg_psw_email_msg: '&3Please, register to the server with the command "/register <password> <email>"'
 # TODO password_error_nick: '&cYou can''t use your name as password, please choose another one...'
 # TODO password_error_unsafe: '&cThe chosen password isn''t safe, please choose another one...'
 # TODO password_error_chars: '&4Your password contains illegal characters. Allowed chars: REG_EX'