Remove additional uses of UseSubframeNavigationEntries in tests.

There's no longer a PageState mismatch from bug 617239, so we can
re-enable the test expectations for these tests.

BUG=236848, 617239
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation

Review-Url: https://codereview.chromium.org/2614913002
Cr-Commit-Position: refs/heads/master@{#441854}
1 file changed