Scripts/Commands: Fix two unreachable code issues found by PVS-studio (#25311)

(cherry picked from commit 3262ef447a9c41bef9a9a3d11f5a89a63137c4df)

src/server/scripts/Commands/cs_gm.cpp

@@ -208,7 +208,6 @@ public:
             _player->SetGMVisible(true);
             _player->UpdateObjectVisibility();
             handler->GetSession()->SendNotification(LANG_INVISIBLE_VISIBLE);
-            return true;
         }
         else
         {
@@ -216,12 +215,9 @@ public:
             _player->SetGMVisible(false);
             _player->UpdateObjectVisibility();
             handler->GetSession()->SendNotification(LANG_INVISIBLE_INVISIBLE);
-            return true;
         }
 
-        handler->SendSysMessage(LANG_USE_BOL);
-        handler->SetSentErrorMessage(true);
-        return false;
+        return true;
     }
 
     //Enable\Disable GM Mode
@@ -240,19 +236,15 @@ public:
             _player->SetGameMaster(true);
             handler->GetSession()->SendNotification(LANG_GM_ON);
             _player->UpdateTriggerVisibility();
-            return true;
         }
         else
         {
             _player->SetGameMaster(false);
             handler->GetSession()->SendNotification(LANG_GM_OFF);
             _player->UpdateTriggerVisibility();
-            return true;
         }
 
-        handler->SendSysMessage(LANG_USE_BOL);
-        handler->SetSentErrorMessage(true);
-        return false;
+        return true;
     }
 };