Clear the feed metadata on Feedbin feed delete

Frameworks/Account/Account.swift

@@ -427,6 +427,10 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 		delegate.restoreFolder(for: self, folder: folder, completion: completion)
 	}
 	
+	func clearFeedMetadata(_ feed: Feed) {
+		feedMetadata[feed.url] = nil
+	}
+	
 	func addFolder(_ folder: Folder) {
 		folders!.insert(folder)
 		postChildrenDidChangeNotification()

Frameworks/Account/Feedbin/FeedbinAccountDelegate.swift

@@ -347,6 +347,7 @@ final class FeedbinAccountDelegate: AccountDelegate {
 		if feed.folderRelationship?.count ?? 0 > 1 {
 			deleteTagging(for: account, with: feed, from: container, completion: completion)
 		} else {
+			account.clearFeedMetadata(feed)
 			deleteSubscription(for: account, with: feed, from: container, completion: completion)
 		}
 	}