Move adding new ThreadList items to ViewModel

briar-api/src/main/java/org/briarproject/briar/api/client/MessageTree.java

@@ -13,15 +13,12 @@ public interface MessageTree<T extends MessageTree.MessageNode> {
 
 	void add(Collection<T> nodes);
 
-	@Deprecated
 	void add(T node);
 
-	@Deprecated
 	void clear();
 
 	List<T> depthFirstOrder();
 
-	@Deprecated
 	boolean contains(MessageId m);
 
 	@NotNullByDefault

briar-api/src/main/java/org/briarproject/briar/api/forum/ForumManager.java

@@ -109,7 +109,6 @@ public interface ForumManager {
 	/**
 	 * Returns the group count for the given forum.
 	 */
-	@Deprecated
 	GroupCount getGroupCount(GroupId g) throws DbException;
 
 	/**