Core/Log: Log all character kicks to "network.kick" category

(cherry picked from commit 31018c3652)

src/server/scripts/Commands/cs_misc.cpp

@@ -953,7 +953,7 @@ public:
         else
             handler->PSendSysMessage(LANG_COMMAND_KICKMESSAGE, playerName.c_str());
 
-        target->GetSession()->KickPlayer();
+        target->GetSession()->KickPlayer("HandleKickPlayerCommand GM Command");
 
         return true;
     }