Remove page_cache_query_ignore. #1042

Job	Run time
lint_theme	36s
test_phpunit	1m 44s
set_sites	59s
test_new_site	2m 53s
test_existing_site (archaeology)	2m 42s
test_existing_site (bsurp)	2m 23s
test_existing_site (datasciencemajor)	2m 36s
test_existing_site (facultyaffairs_humsci)	2m 34s
test_existing_site (feminist)	2m 47s
test_existing_site (grandtour)	2m 25s
test_existing_site (hs_testing_sandbox)	2m 20s
test_existing_site (planning_humsci)	2m 29s
test_existing_site (publichumanities)	2m 32s
test_existing_site (statistics)	3m 3s
deploy_branch	0s
	32m 3s

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