remove example directive (#1756)

Author: davidhou17

source/includes/code-examples/yaml-files/example-watch-namespaces-env-helm.rst

@@ -1,10 +1,7 @@
-.. example::
+.. code-block:: yaml
 
-   .. code-block:: yaml
-
-      # Operator with name `mongodb-enterprise-operator-qa-envs` will
-      # watch ns-dev, ns-qa and ns-uat namespaces
-
-      helm install mongodb-enterprise-operator-qa-envs mongodb/enterprise-operator \
-        --set operator.watchNamespace="ns-dev\,ns-qa\,ns-uat"
+   # Operator with name `mongodb-enterprise-operator-qa-envs` will
+   # watch ns-dev, ns-qa and ns-uat namespaces
 
+   helm install mongodb-enterprise-operator-qa-envs mongodb/enterprise-operator \
+      --set operator.watchNamespace="ns-dev\,ns-qa\,ns-uat"

source/includes/code-examples/yaml-files/example-watch-namespaces-staging-only-helm.rst

@@ -1,8 +1,5 @@
-.. example::
-
-   .. code-block:: yaml
-
-      # Operator with name `mongodb-enterprise-operator-staging` will
-      # watch ns-staging and ns-pre-prod
-      helm install mongodb-operator helm-chart --set operator.watchNamespace="ns-staging\,ns-pre-prod" mongodb-enterprise-operator-staging
+.. code-block:: yaml
 
+   # Operator with name `mongodb-enterprise-operator-staging` will
+   # watch ns-staging and ns-pre-prod
+   helm install mongodb-operator helm-chart --set operator.watchNamespace="ns-staging\,ns-pre-prod" mongodb-enterprise-operator-staging

source/includes/code-examples/yaml-files/example-watch-one-namespace-helm.rst

@@ -1,8 +1,5 @@
-.. example::
-
-   .. code-block:: yaml
-
-      # Watch one namespace
-      helm install enterprise-operator mongodb/enterprise-operator \
-        --set operator.watchNamespace='namespace-to-watch' <...>
+.. code-block:: yaml
 
+   # Watch one namespace
+   helm install enterprise-operator mongodb/enterprise-operator \
+      --set operator.watchNamespace='namespace-to-watch' <...>

source/includes/code-examples/yaml-files/example-watch-two-namespaces-helm.rst

@@ -1,8 +1,5 @@
-.. example::
-
-   .. code-block:: yaml
-
-      # Watch both namespace-a and namespace-b
-      helm install enterprise-operator mongodb/enterprise-operator \
-        --set operator.watchNamespace="namespace-a\,namespace-b"
+.. code-block:: yaml
 
+   # Watch both namespace-a and namespace-b
+   helm install enterprise-operator mongodb/enterprise-operator \
+      --set operator.watchNamespace="namespace-a\,namespace-b"