[autotest] Remove the admin links from the UI

Admin pages have been removed from the code for a few weeks,
to avoid user confusion we should not have a link that goes to an
error page.

BUG=chromium:723867
TEST=Manual

Change-Id: I3d1715c9005caebc0181e2d19eba9f5952162ae8
Reviewed-on: https://chromium-review.googlesource.com/552748
Commit-Ready: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Michael Tang <ntang@chromium.org>
diff --git a/frontend/client/src/autotest/public/AfeClient.html b/frontend/client/src/autotest/public/AfeClient.html
index ab1b1ea..a58a0b5 100644
--- a/frontend/client/src/autotest/public/AfeClient.html
+++ b/frontend/client/src/autotest/public/AfeClient.html
@@ -15,7 +15,6 @@
     <div class="nav-header">
       <span class="links-box">
         Frontend |
-        <a href="server/admin">Admin interface</a> |
         <a href="/new_tko">Results database</a> |
         <a href="http://www.chromium.org/chromium-os/testing">Chromium OS Testing</a> |
         <a href="/results/dashboard">Dashboard</a>
diff --git a/frontend/client/src/autotest/public/TkoClient.html b/frontend/client/src/autotest/public/TkoClient.html
index e29edee..05b56e4 100644
--- a/frontend/client/src/autotest/public/TkoClient.html
+++ b/frontend/client/src/autotest/public/TkoClient.html
@@ -15,7 +15,6 @@
 
     <span class="links-box" style="float: right;">
       <a href="/afe">Frontend</a> |
-      <a href="/afe/server/admin">Admin interface</a> |
       Results database |
       <a href="http://autotest.kernel.org">Wiki</a> |
       Feeds: