Remove repeated test in contrib/amcheck

Teodor Sigaev <teodor@sigaev.ru>

Commit: 1671c01650d2cf9398b2e5ff87be2e2fd03781b7
Author: Teodor Sigaev <teodor@sigaev.ru>
Date: 2018-04-09T06:19:09Z
Releases: 11.0
Remove repeated test in contrib/amcheck

Repeating these tests adds unnecessary cycles, since no improvement in
test coverage is expected.

Cleanup from commit 8224de4f42ccf98e08db07b43d52fed72f962ebb.

Peter Geoghegan

Files