test: Remove unused no_pk_view from fixtures

Signed-off-by: Wolfgang Walther <walther@technowledgy.de>

test/spec/fixtures/schema.sql

@@ -2478,9 +2478,6 @@ CREATE AGGREGATE test.unsupported_agg (*) (
   STYPE = int
 );
 
-create view no_pk_view as
-select * from no_pk;
-
 create table limited_update_items(
   id int primary key
 , name text