(DOCSP-21404) Fix certificate name format (#871)

* (DOCSP-21404) Fix certificate name format

Author: zach-carr

source/includes/code-examples/yaml-files/example-opsmgr.yaml

@@ -31,7 +31,7 @@ spec:
                                     # name of the secret that contains the Application
                                     # Database's TLS certificate. If you omit
                                     # this setting, name the secret 
-                                    # <metadata.name>-appdb-cert.
+                                    # <metadata.name>-db-cert.
         tls:
           ca: "appdb-ca" # Optional. Name of the ConfigMap file
                          # containing the certicate authority that

source/includes/steps-source-deploy-om-resource.yaml

@@ -10,7 +10,7 @@ content: |
 
   .. code-block:: sh
 
-     kubectl create secret tls <metadata.name>-appdb-cert \
+     kubectl create secret tls <metadata.name>-db-cert \
        --cert=<appdb-tls-cert> \
        --key=<appdb-tls-key>
 

source/reference/k8s-operator-om-specification.txt

@@ -217,7 +217,7 @@ Optional |onprem| Resource Settings
       - :opsmgrkube:`spec.applicationDatabase.security.tls.secretRef.name`
       - :opsmgrkube:`spec.applicationDatabase.security.tls.secretRef.prefix`
 
-   You must name your secret ``<prefix>-<metadata.name>-appdb-cert`` if
+   You must name your secret ``<prefix>-<metadata.name>-db-cert`` if
    all of the following items are true:
 
    - You set