Remove legacy keycodes, part 4 (#18683)

* `KC_PGDOWN` -> `KC_PGDN`

* `KC_PSCREEN` -> `KC_PSCR`

* `KC_SCOLON` -> `KC_SCLN`

* `KC_BSLASH` -> `KC_BSLS`

* `KC_BSPACE` -> `KC_BSPC`

users/kuatsure/kuatsure.c

@@ -124,7 +124,7 @@ void matrix_scan_user(void) {
     }
 
     // TMUX - shift to last pane and zoom
-    SEQ_ONE_KEY(KC_SCOLON) {
+    SEQ_ONE_KEY(KC_SEMICOLON) {
       tmux_prefix();
       SEND_STRING(";");
       tmux_pane_zoom();