fixup! Bitbucket server config will be moved to configuring-authoriza…

…tion/#enabling-authentication-with-social-accounts-and-brokering_che

Signed-off-by: Sergii Kabashniuk <skabashniuk@redhat.com>

modules/administration-guide/nav.adoc

@@ -41,5 +41,4 @@
 ** xref:authorizing-users.adoc[]
 ** xref:configuring-authorization.adoc[]
 ** xref:removing-user-data.adoc[]
-** xref:authenticating-users-3rd-party-services.adoc[]
 ** xref:configuring-openshift-oauth.adoc[]