Core/Misc: Multiple static analysis issues fixed (small optimizations and clear code)

src/server/worldserver/Main.cpp

@@ -268,8 +268,7 @@ extern int main(int argc, char** argv)
         delete soapThread;
     }
 
-    if (raAcceptor != nullptr)
-        delete raAcceptor;
+    delete raAcceptor;
 
     ///- Clean database before leaving
     ClearOnlineAccounts();