fix: de-index pdus when redacted

bit of code dedupe as well

Co-authored-by: strawberry <strawberry@puppygock.gay>
Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/rooms/search/mod.rs

@@ -17,6 +17,11 @@ impl Service {
 		self.db.index_pdu(shortroomid, pdu_id, message_body)
 	}
 
+	#[tracing::instrument(skip(self))]
+	pub fn deindex_pdu(&self, shortroomid: u64, pdu_id: &[u8], message_body: &str) -> Result<()> {
+		self.db.deindex_pdu(shortroomid, pdu_id, message_body)
+	}
+
 	#[tracing::instrument(skip(self))]
 	pub fn search_pdus<'a>(
 		&'a self, room_id: &RoomId, search_string: &str,