remove builds from db if pkg is deleted

fix apibuilder interval refreshes refreshing widgets not visible

frontend/lib/providers/APIBuilder.dart

@@ -1,67 +0,0 @@
-import 'dart:async';
-
-import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
-
-import 'BaseProvider.dart';
-
-class APIBuilder<T extends BaseProvider, K, DTO> extends StatefulWidget {
-  const APIBuilder(
-      {super.key,
-      required this.onLoad,
-      required this.onData,
-      this.interval,
-      this.dto});
-
-  final DTO? dto;
-  final Duration? interval;
-  final Widget Function() onLoad;
-  final Widget Function(K t) onData;
-
-  @override
-  State<APIBuilder<T, K, DTO>> createState() => _APIBuilderState<T, K, DTO>();
-}
-
-class _APIBuilderState<T extends BaseProvider, K, DTO>
-    extends State<APIBuilder<T, K, DTO>> {
-  Timer? timer;
-
-  @override
-  void initState() {
-    super.initState();
-    Provider.of<T>(context, listen: false).loadFuture(context, dto: widget.dto);
-
-    if (widget.interval != null) {
-      timer = Timer.periodic(widget.interval!, (Timer t) {
-        final RenderObject? box = context.findRenderObject();
-        print(box);
-        print(context.mounted);
-
-        Provider.of<T>(context, listen: false)
-            .refresh(context, dto: widget.dto);
-      });
-    }
-  }
-
-  @override
-  void dispose() {
-    super.dispose();
-    timer?.cancel();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final Future<K> fut = Provider.of<T>(context).data as Future<K>;
-
-    return FutureBuilder<K>(
-      future: fut,
-      builder: (context, snapshot) {
-        if (snapshot.hasData) {
-          return widget.onData(snapshot.data!);
-        } else {
-          return widget.onLoad();
-        }
-      },
-    );
-  }
-}