Backport 1.15.x Upgrade test: remove outdated test and disable log du…#18416

huikang merged 1 commit intorelease/1.15.xhashicorp/consul:release/1.15.xfrom

release/1.15.x-integ-test-upgrade-testhashicorp/consul:release/1.15.x-integ-test-upgrade-testCopy head branch name to clipboard