Allow larger ADC debounce

Reference #17205

Marlin/Configuration_adv.h

 // ADC Button Debounce
 //
 #if HAS_ADC_BUTTONS
-  #define ADC_BUTTON_DEBOUNCE_DELAY 16  // (ms) Increase if buttons bounce or repeat too fast
+  #define ADC_BUTTON_DEBOUNCE_DELAY 16  // Increase if buttons bounce or repeat too fast
 #endif
 
 // @section safety

Marlin/src/inc/SanityCheck.h

   #endif
 #endif
 
-#if HAS_ADC_BUTTONS && defined(ADC_BUTTON_DEBOUNCE_DELAY) && !WITHIN(ADC_BUTTON_DEBOUNCE_DELAY, 16, 255)
-  #error "ADC_BUTTON_DEBOUNCE_DELAY must be an integer from 16 to 255."
+#if HAS_ADC_BUTTONS && defined(ADC_BUTTON_DEBOUNCE_DELAY) && ADC_BUTTON_DEBOUNCE_DELAY < 16
+  #error "ADC_BUTTON_DEBOUNCE_DELAY must be greater than 16."
 #endif
 
 /**

Marlin/src/module/temperature.cpp

 
 #if HAS_ADC_BUTTONS
   uint32_t Temperature::current_ADCKey_raw = HAL_ADC_RANGE;
-  uint8_t Temperature::ADCKey_count = 0;
+  uint16_t Temperature::ADCKey_count = 0;
 #endif
 
 #if ENABLED(PID_EXTRUSION_SCALING)

Marlin/src/module/temperature.h

   public:
     #if HAS_ADC_BUTTONS
       static uint32_t current_ADCKey_raw;
-      static uint8_t ADCKey_count;
+      static uint16_t ADCKey_count;
     #endif
 
     TERN_(PID_EXTRUSION_SCALING, static int16_t lpq_len);

Marlin/src/pins/ramps/pins_ZRIB_V20.h

   #undef ADC_KEYPAD_PIN
   #undef BEEPER_PIN
 
+  #undef SHIFT_OUT
+  #undef SHIFT_CLK
+  #undef SHIFT_LD
+  #undef BTN_EN1
+  #undef BTN_EN2
+  #undef BTN_ENC
+
   #define LCD_PINS_RS           ZRIB_V20_D16_PIN
   #define LCD_PINS_ENABLE       ZRIB_V20_D17_PIN
   #define LCD_PINS_D4           ZRIB_V20_D23_PIN