New commit detected on ManageIQ/manageiq-ui-classic/fine:
https://github.com/ManageIQ/manageiq-ui-classic/commit/0d33481aecfea67cac88846edd3766807ce9d142

commit 0d33481aecfea67cac88846edd3766807ce9d142
Author:     Harpreet Kataria <hkataria@redhat.com>
AuthorDate: Wed Jan 3 13:40:54 2018 -0500
Commit:     Satoe Imaishi <simaishi@redhat.com>
CommitDate: Wed Jan 10 11:03:04 2018 -0500

    Merge pull request #3154 from ZitaNemeckova/hide_policy_events_az
    
    Availability Zone has only Management Events in Timelines
    (cherry picked from commit 46e1d855d4dff8a155f20071e82b6ee28a4b9e34)
    
    Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1533167

 app/helpers/application_helper.rb             | 4 ++++
 app/helpers/availability_zone_helper.rb       | 4 ++++
 app/views/layouts/_tl_options.html.haml       | 2 +-
 spec/helpers/availability_zone_helper_spec.rb | 8 ++++++++
 4 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 spec/helpers/availability_zone_helper_spec.rb

Works, there is no more Policy event category in the menu

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2018:0374