Remove IS_HOST_LED_ON and migrate usages (#19753)

keyboards/kbdfans/kbd75rgb/kbd75rgb.c

@@ -44,7 +44,7 @@ bool rgb_matrix_indicators_kb(void) {
     if (!rgb_matrix_indicators_user()) {
         return false;
     }
-    if (IS_HOST_LED_ON(USB_LED_CAPS_LOCK))
+    if (host_keyboard_led_state().caps_lock)
     {
         rgb_matrix_set_color(59, 0xFF, 0xFF, 0xFF);
     }