🚨 Fix build warnings on Lulzbot Taz (#24227)

Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/tune_menu.cpp

   }
 
   #if ENABLED(TOUCH_UI_PORTRAIT)
-    #define GRID_COLS 2
-    #define GRID_ROWS 9
     #define TEMPERATURE_POS BTN_POS(1,1), BTN_SIZE(2,1)
     #define FIL_CHANGE_POS  BTN_POS(1,2), BTN_SIZE(2,1)
     #define FILAMENT_POS    BTN_POS(1,3), BTN_SIZE(2,1)
     #define ADVANCED_SETTINGS_POS BTN_POS(1,9), BTN_SIZE(1,1)
     #define BACK_POS        BTN_POS(2,9), BTN_SIZE(1,1)
   #else
-    #define GRID_COLS 2
-    #define GRID_ROWS 5
     #define TEMPERATURE_POS BTN_POS(1,1), BTN_SIZE(1,1)
     #define NUDGE_NOZ_POS   BTN_POS(2,1), BTN_SIZE(1,1)
     #define FIL_CHANGE_POS  BTN_POS(1,2), BTN_SIZE(1,1)

Marlin/src/pins/rambo/pins_EINSY_RETRO.h

 #endif
 
 #define Z_MAX_PIN                              7
-#ifndef Z_MIN_PIN                              7
+#ifndef Z_MIN_PIN
   #define Z_MIN_PIN                           10  // Z-
 #endif