🎨 Pragma GCC cleanup

Marlin/src/libs/duration_t.h

@@ -106,8 +106,8 @@ struct duration_t {
     return this->value;
   }
 
+  #pragma GCC diagnostic push
   #if GCC_VERSION <= 50000
-    #pragma GCC diagnostic push
     #pragma GCC diagnostic ignored "-Wformat-overflow"
   #endif
 
@@ -170,7 +170,5 @@ struct duration_t {
     }
   }
 
-  #if GCC_VERSION <= 50000
-    #pragma GCC diagnostic pop
-  #endif
+  #pragma GCC diagnostic pop
 };