Remove unused table matches

db/init.sql

@@ -52,8 +52,3 @@ CREATE TABLE orders(
 );
 ALTER TABLE orders ADD CONSTRAINT order_price CHECK(price > 0 AND price < 100);
 ALTER TABLE orders ADD CONSTRAINT order_quantity CHECK(quantity > 0);
-CREATE TABLE matches(
-    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
-    oid1 UUID NOT NULL REFERENCES orders(id),
-    oid2 UUID NOT NULL REFERENCES orders(id)
-);