Game/AI: InvalidAIException internal cleanup

src/server/game/AI/AIException.cpp

@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2008-2018 TrinityCore <https://www.trinitycore.org/>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "AIException.h"
-
-InvalidAIException::InvalidAIException(char const* _message)
-{
-    message().assign(_message);
-}

src/server/game/AI/AIException.h

@@ -25,16 +25,11 @@
 class TC_GAME_API InvalidAIException : public std::exception
 {
 public:
-    InvalidAIException(char const* _message);
-    ~InvalidAIException() throw() { }
-
+    InvalidAIException(char const* msg) : msg_(msg) {}
     char const* what() const noexcept override { return msg_.c_str(); }
 
-protected:
-    std::string & message() throw() { return msg_; }
-
 private:
-    std::string msg_;
+    std::string const msg_;
 };
 
 #endif