Remove redundant index on primary key

Author: veniversum

sql/ways_metadata.ddl

@@ -5,5 +5,4 @@ CREATE TABLE public.ways_metadata
     greenery FLOAT,
     CONSTRAINT ways_metadata_ways_gid_fk FOREIGN KEY (gid) REFERENCES ways (gid) ON UPDATE CASCADE ON DELETE CASCADE
 );
-CREATE UNIQUE INDEX ways_metadata_gid_uindex ON public.ways_metadata (gid);
 COMMENT ON TABLE public.ways_metadata IS 'Metadata on way segments for routing purposes.'