Remove unused sql file.

synapse/storage/schema/edge_pdus.sql

@@ -1,31 +0,0 @@
-/* Copyright 2014 OpenMarket Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-CREATE TABLE IF NOT EXISTS context_edge_pdus(
-    id INTEGER PRIMARY KEY AUTOINCREMENT, -- twistar requires this
-    pdu_id TEXT, 
-    origin TEXT,
-    context TEXT, 
-    CONSTRAINT context_edge_pdu_id_origin UNIQUE (pdu_id, origin)
-);
-
-CREATE TABLE IF NOT EXISTS origin_edge_pdus(
-    id INTEGER PRIMARY KEY AUTOINCREMENT, -- twistar requires this
-    pdu_id TEXT,
-    origin TEXT,
-    CONSTRAINT origin_edge_pdu_id_origin UNIQUE (pdu_id, origin)
-);
-
-CREATE INDEX IF NOT EXISTS context_edge_pdu_id ON context_edge_pdus(pdu_id, origin); 
-CREATE INDEX IF NOT EXISTS origin_edge_pdu_id ON origin_edge_pdus(pdu_id, origin);