BUZZ cleanup (#14760)

Marlin/src/lcd/ultralcd.h

@@ -258,15 +258,15 @@ public:
     #endif
   }
 
-  static inline void buzz(const long duration, const uint16_t freq) {
-    #if ENABLED(LCD_USE_I2C_BUZZER)
-      lcd.buzz(duration, freq);
-    #elif PIN_EXISTS(BEEPER)
-      buzzer.tone(duration, freq);
-    #else
-      UNUSED(duration); UNUSED(freq);
-    #endif
-  }
+  #if HAS_BUZZER
+    static inline void buzz(const long duration, const uint16_t freq) {
+      #if ENABLED(LCD_USE_I2C_BUZZER)
+        lcd.buzz(duration, freq);
+      #elif PIN_EXISTS(BEEPER)
+        buzzer.tone(duration, freq);
+      #endif
+    }
+  #endif
 
   // LCD implementations
   static void clear_lcd();
@@ -355,7 +355,9 @@ public:
       #endif
 
       static void quick_feedback(const bool clear_buttons=true);
-      static void completion_feedback(const bool good=true);
+      #if HAS_BUZZER
+        static void completion_feedback(const bool good=true);
+      #endif
 
       #if DISABLED(LIGHTWEIGHT_UI)
         static void draw_status_message(const bool blink);
@@ -466,7 +468,11 @@ public:
     #endif
 
     #if ENABLED(G26_MESH_VALIDATION)
-      static inline void chirp() { buzz(LCD_FEEDBACK_FREQUENCY_DURATION_MS, LCD_FEEDBACK_FREQUENCY_HZ); }
+      static inline void chirp() {
+        #if HAS_BUZZER
+          buzz(LCD_FEEDBACK_FREQUENCY_DURATION_MS, LCD_FEEDBACK_FREQUENCY_HZ);
+        #endif
+      }
     #endif
 
     #if ENABLED(AUTO_BED_LEVELING_UBL)