Remove redundant KC_TRNS and KC_NO fillers in remaining keymaps (#5154)

keyboards/lets_split_eh/keymaps/that_canadian/keymap.c

@@ -22,10 +22,6 @@ enum custom_keycodes {
   ADJUST
 };
 
-// Fillers to make layering more clear
-#define _______ KC_TRNS
-#define XXXXXXX KC_NO
-
 // Defines for task manager and such
 #define CALTDEL LCTL(LALT(KC_DEL))
 #define TSKMGR LCTL(LSFT(KC_ESC))
@@ -167,4 +163,4 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
       break;
   }
   return true;
-}
+}