Removing the `verbose` variable

Debug logging enabled by using the `debug` variable should
be sufficient for troubleshooting purposes.

The default logging level has increased from -v to -vv

Change-Id: Iad6785f1b445703fcfd84a5582ca81849d70ceed

defaults/main.yml

@@ -13,9 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-## Verbosity Options
+## Logging level
 debug: False
-verbose: False
 
 ## APT Cache Options
 cache_timeout: 600

releasenotes/notes/remove_verbose_var-c22f4946eedbc5f2.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - The variable ``verbose`` has been removed. Deployers should rely on the
+    ``debug`` var to enable higher levels of memcached logging.
+

templates/memcached.conf

@@ -3,10 +3,8 @@
 -d
 {% if debug | bool %}
 -vvv
-{% elif verbose | bool %}
--vv
 {% else %}
--v
+-vv
 {% endif %}
 logfile {{ memcached_log }}
 -m {{ memcached_memory }}