refactor: cleaned up REST code

also removed any references to Anify

src/services/popular/mapTitle.ts

@@ -0,0 +1,12 @@
+export function mapTitle(
+  media: {
+    title: { english: string | null; userPreferred: string | null } | null;
+  } | null,
+) {
+  if (!media) return null;
+
+  return {
+    ...media,
+    title: media?.title?.userPreferred ?? media?.title?.english,
+  };
+}