Fix placement of privilege escalation in Glance.

In a previous patch set (https://review.openstack.org/#/c/629300/),
the "allowPrivilegeEscalation" flag was set to false for one of the
init containers, but it was intended to be used for the glance-api
container.

Change-Id: If2d83d82a720d7a1a39729bbf3bddc226af3ba20

glance/templates/deployment-api.yaml

@@ -71,8 +71,6 @@ spec:
         {{ if eq .Values.storage "rbd" }}
         - name: ceph-keyring-placement
 {{ tuple $envAll "glance_api" | include "helm-toolkit.snippets.image" | indent 10 }}
-          securityContext:
-            allowPrivilegeEscalation: false
           env:
             - name: RBD_STORE_USER
               value: {{ .Values.conf.glance.glance_store.rbd_store_user | quote }}
@@ -94,6 +92,8 @@ spec:
         - name: glance-api
 {{ tuple $envAll "glance_api" | include "helm-toolkit.snippets.image" | indent 10 }}
 {{ tuple $envAll $envAll.Values.pod.resources.api | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+          securityContext:
+            allowPrivilegeEscalation: false
           command:
             - /tmp/glance-api.sh
             - start