Remove redundant KC_TRNS and KC_NO fillers in default keymaps (#5152)

keyboards/hadron/ver2/keymaps/default/keymap.c

@@ -46,9 +46,6 @@ enum macro_keycodes {
   KC_DEMOMACRO,
 };
 
-// Fillers to make layering more clear
-#define _______ KC_TRNS
-#define XXXXXXX KC_NO
 // Custom macros
 #define CTL_ESC     CTL_T(KC_ESC)               // Tap for Esc, hold for Ctrl
 #define CTL_TTAB    CTL_T(KC_TAB)               // Tap for Esc, hold for Ctrl
@@ -445,4 +442,4 @@ void iota_gfx_task_user(void) {
   matrix_update(&display, &matrix);
 }
 
-#endif
+#endif