fix(service): 修复 themeStyle=9999 时查询逻辑缺失

src/main/java/com/yolo/keyborad/controller/ThemesController.java

@@ -36,11 +36,6 @@ public class ThemesController {
     @Resource
     private KeyboardThemeStylesService keyboardThemeStylesService;
 
-    @GetMapping("/list")
-    @Operation(summary = "查询所有主题", description = "查询所有主题列表接口")
-    public BaseResponse<List<KeyboradThemesRespVO>> list() {
-        return ResultUtils.success(themesService.selectAllThemes());
-    }
 
     @GetMapping("/listByStyle")
     @Operation(summary = "按风格查询主题", description = "按主题风格查询主题列表接口")