refactor dyn KvTree out of services

Signed-off-by: Jason Volk <jason@zemos.net>

src/service/rooms/directory/mod.rs

@@ -1,11 +1,10 @@
-use conduit::Server;
-use database::KeyValueDatabase;
-
 mod data;
 
 use std::sync::Arc;
 
+use conduit::Server;
 use data::Data;
+use database::Database;
 use ruma::{OwnedRoomId, RoomId};
 
 use crate::Result;
@@ -15,7 +14,7 @@ pub struct Service {
 }
 
 impl Service {
-	pub fn build(_server: &Arc<Server>, db: &Arc<KeyValueDatabase>) -> Result<Self> {
+	pub fn build(_server: &Arc<Server>, db: &Arc<Database>) -> Result<Self> {
 		Ok(Self {
 			db: Data::new(db),
 		})