Remove some orphaned values in glance and neutron.

Some unused values were present in glance and neutron that were left
over from the early development of OSH this PS removes them.

Change-Id: I5dbbb1d6e1262e4c06dd6c083724fd213838e5b7

glance/values.yaml

@@ -173,10 +173,6 @@ volume:
   class_name: general
   size: 2Gi
 
-misc:
-  workers: 8
-  debug: false
-
 resources:
   enabled: false
   api:

neutron/values.yaml

@@ -117,14 +117,9 @@ keystone:
   neutron_project_domain: "default"
   neutron_region_name: "RegionOne"
 
-metadata_agent:
-  default:
-    debug: 'True'
-
 metadata:
   workers: 4
 
-
 ml2:
   ovs:
     auto_bridge_add: