Don't add kerberos policies into cupsd config when no kerberos support was
compiled in.

https://bugs.gentoo.org/606472

--- cups-2.2.2/conf/cupsd.conf.in
+++ cups-2.2.2/conf/cupsd.conf.in
@@ -134,49 +134,3 @@
     Order deny,allow
   </Limit>
 </Policy>
-
-# Set the kerberized printer/job policies...
-<Policy kerberos>
-  # Job/subscription privacy...
-  JobPrivateAccess default
-  JobPrivateValues default
-  SubscriptionPrivateAccess default
-  SubscriptionPrivateValues default
-
-  # Job-related operations must be done by the owner or an administrator...
-  <Limit Create-Job Print-Job Print-URI Validate-Job>
-    AuthType Negotiate
-    Order deny,allow
-  </Limit>
-
-  <Limit Send-Document Send-URI Hold-Job Release-Job Restart-Job Purge-Jobs Set-Job-Attributes Create-Job-Subscription Renew-Subscription Cancel-Subscription Get-Notifications Reprocess-Job Cancel-Current-Job Suspend-Current-Job Resume-Job Cancel-My-Jobs Close-Job CUPS-Move-Job CUPS-Get-Document>
-    AuthType Negotiate
-    Require user @OWNER @SYSTEM
-    Order deny,allow
-  </Limit>
-
-  # All administration operations require an administrator to authenticate...
-  <Limit CUPS-Add-Modify-Printer CUPS-Delete-Printer CUPS-Add-Modify-Class CUPS-Delete-Class CUPS-Set-Default>
-    AuthType Default
-    Require user @SYSTEM
-    Order deny,allow
-  </Limit>
-
-  # All printer operations require a printer operator to authenticate...
-  <Limit Pause-Printer Resume-Printer Enable-Printer Disable-Printer Pause-Printer-After-Current-Job Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer Activate-Printer Restart-Printer Shutdown-Printer Startup-Printer Promote-Job Schedule-Job-After Cancel-Jobs CUPS-Accept-Jobs CUPS-Reject-Jobs>
-    AuthType Default
-    Require user @CUPS_DEFAULT_PRINTOPERATOR_AUTH@
-    Order deny,allow
-  </Limit>
-
-  # Only the owner or an administrator can cancel or authenticate a job...
-  <Limit Cancel-Job CUPS-Authenticate-Job>
-    AuthType Negotiate
-    Require user @OWNER @CUPS_DEFAULT_PRINTOPERATOR_AUTH@
-    Order deny,allow
-  </Limit>
-
-  <Limit All>
-    Order deny,allow
-  </Limit>
-</Policy>