Page titles and redirects: $wgShortPagesNamespaceBlacklist
Optional array of namespaces which should be blacklisted from Special:ShortPages
Introduced in version:1.30.0 (Gerrit change 368325; git #I10b4849)
Removed in version:1.37.0 (Gerrit change 680806; git #4dae3b1a)
Allowed values:(Any namespaces, following the MW_NAMESPACE convention. For example, Wikimedia Commons uses NS_FILE.)
Default value:[]

Details edit

Only pages inside $wgContentNamespaces but not inside this config ($wgShortPagesNamespaceBlacklist) will be shown on that page.