move core::pdu and core::state_res into core::matrix::

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

src/api/server/hierarchy.rs

@@ -3,9 +3,11 @@ use conduwuit::{
 	Err, Result,
 	utils::stream::{BroadbandExt, IterStream},
 };
+use conduwuit_service::rooms::spaces::{
+	Identifier, SummaryAccessibility, get_parent_children_via,
+};
 use futures::{FutureExt, StreamExt};
 use ruma::api::federation::space::get_hierarchy;
-use service::rooms::spaces::{Identifier, SummaryAccessibility, get_parent_children_via};
 
 use crate::Ruma;