🎨 Pragma GCC cleanup

Marlin/src/HAL/SAMD51/HAL.h

@@ -153,16 +153,14 @@ void HAL_idletask();
 //
 FORCE_INLINE void _delay_ms(const int delay_ms) { delay(delay_ms); }
 
+#pragma GCC diagnostic push
 #if GCC_VERSION <= 50000
-  #pragma GCC diagnostic push
   #pragma GCC diagnostic ignored "-Wunused-function"
 #endif
 
 int freeMemory();
 
-#if GCC_VERSION <= 50000
-  #pragma GCC diagnostic pop
-#endif
+#pragma GCC diagnostic pop
 
 #ifdef __cplusplus
   extern "C" {