chore: remove residual files

lib/songlink.dart

@@ -1,43 +0,0 @@
-import 'dart:convert';
-
-import 'package:html/parser.dart';
-import 'package:dio/dio.dart';
-
-void main(List<String> args) async {
-  final dio = Dio();
-
-  final spotifyId = args[0];
-
-  print("Fetching song link for $spotifyId");
-
-  final res = await dio.get(
-    "https://song.link/s/$spotifyId",
-    options: Options(
-      headers: {
-        "Accept":
-            "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
-        "User-Agent":
-            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36"
-      },
-      responseType: ResponseType.plain,
-    ),
-  );
-
-  final document = parse(res.data);
-
-  final script = document.getElementById("__NEXT_DATA__")?.text;
-
-  if (script == null) {
-    throw Exception("Could not find __NEXT_DATA__ script tag.");
-  }
-
-  final pageProps = jsonDecode(script) as Map<String, dynamic>;
-  final songLinks =
-      pageProps["props"]["pageProps"]["pageData"]["sections"].firstWhere(
-    (section) => section["sectionId"] == "section|auto|links|listen",
-  )["links"];
-
-  for (final link in songLinks) {
-    print("${link["platform"]} - ${link["url"]}");
-  }
-}