🎨 Pragma GCC cleanup

Marlin/src/HAL/AVR/HAL.h

@@ -157,16 +157,14 @@ inline uint8_t HAL_get_reset_source() { return MCUSR; }
 
 void HAL_reboot();
 
+#pragma GCC diagnostic push
 #if GCC_VERSION <= 50000
-  #pragma GCC diagnostic push
   #pragma GCC diagnostic ignored "-Wunused-function"
 #endif
 
 extern "C" int freeMemory();
 
-#if GCC_VERSION <= 50000
-  #pragma GCC diagnostic pop
-#endif
+#pragma GCC diagnostic pop
 
 // ADC
 #ifdef DIDR2