fix(home): 移除二级标签筛选按钮

lib/core/theme/app_dimens.dart

@@ -114,10 +114,6 @@ abstract final class AppDimens {
   static const Duration homeSecondaryTagAnimationDuration = Duration(
     milliseconds: 150,
   );
-  static const double homeSecondaryFilterGap = 6;
-  static const double homeSecondaryFilterVisualSize = 26;
-  static const double homeSecondaryFilterIcon = 16;
-  static const double homeSecondaryFilterStroke = 1.7;
   static const double homePrimaryCategoryGap = 24;
   static const double homeSecondaryTagGap = 10;
   static const double homeSearchTopGap = 0;