Ceilometer: Remove incomplete cache parameters

Currently when TLS for memcached service is enabled, caching in
ceilometer is enabled.

However the configuration is incomplete and the pymemcache backend is
used with no actual backend server.

This change removes the cache parameters completely, as we had never
enabled caching in Ceilometer previously.

(to wallaby)
Conflicts:
	deployment/ceilometer/ceilometer-base-container-puppet.yaml

Resolved conflicts caused by the following two changes which are not
present in stable/wallaby

4dca2a4834
Allow tuning rpc_response_timeout

263fee246a
Ensure db initialization is not executed by puppet

(to victoria)
Conflicts:
	deployment/ceilometer/ceilometer-base-container-puppet.yaml

Closes-Bug: #1964873
Change-Id: Idae2ba0cd9a35044c124a6d05ee050e10adde60e
(cherry picked from commit 4d23590ca0)
(cherry picked from commit 2aa408f465)
(cherry picked from commit ff1c593f0f)

deployment/ceilometer/ceilometer-base-container-puppet.yaml

@@ -76,14 +76,6 @@ parameters:
     type: string
     default: 'noop'
     description: Driver or drivers to handle sending notifications.
-  MemcachedTLS:
-    default: false
-    description: Set to True to enable TLS on Memcached service.
-                 Because not all services support Memcached TLS, during the
-                 migration period, Memcached will listen on 2 ports - on the
-                 port set with MemcachedPort parameter (above) and on 11211,
-                 without TLS.
-    type: boolean
   GnocchiArchivePolicy:
     default: 'ceilometer-low-rate'
     type: string
@@ -130,11 +122,6 @@ outputs:
             ceilometer::snmpd_readonly_username: {get_param: SnmpdReadonlyUserName}
             ceilometer::snmpd_readonly_user_password: {get_param: SnmpdReadonlyUserPassword}
             ceilometer::host: "%{hiera('fqdn_canonical')}"
-          - if:
-            - {get_param: MemcachedTLS}
-            - ceilometer::cache_backend: 'dogpile.cache.pymemcache'
-              ceilometer::cache_tls_enabled: true
-            - {}
       service_config_settings:
         keystone:
           # Enable default notification queue