Remove UNUSED_PINS (#17931)

keyboards/ploopyco/trackball_mini/rev1_001/config.h

@@ -36,5 +36,5 @@
 
 // These pins are not broken out, and cannot be used normally.
 // They are set as output and pulled high, by default
-#define UNUSED_PINS \
+#define UNUSABLE_PINS \
     { B5, C7, D0, D1, D3, D5, D6, F1, F3, F5, F6, F7 }

keyboards/ploopyco/trackball_mini/rev1_002/config.h

@@ -36,5 +36,5 @@
 
 // These pins are not broken out, and cannot be used normally.
 // They are set as output and pulled high, by default
-#define UNUSED_PINS \
+#define UNUSABLE_PINS \
     { B5, C7, D0, D1, D3, D5, D6, F1, F3, F5, F6, F7 }

keyboards/ploopyco/trackball_mini/trackball_mini.c

@@ -200,8 +200,8 @@ void keyboard_pre_init_kb(void) {
      * pathways to ground. If you're messing with this, know this: driving ANY
      * of these pins high will cause a short. On the MCU. Ka-blooey.
      */
-#ifdef UNUSED_PINS
-    const pin_t unused_pins[] = UNUSED_PINS;
+#ifdef UNUSABLE_PINS
+    const pin_t unused_pins[] = UNUSABLE_PINS;
 
     for (uint8_t i = 0; i < (sizeof(unused_pins) / sizeof(pin_t)); i++) {
         setPinOutput(unused_pins[i]);