move security warning into a bootstrap callout banner

app/views/projects/clusters/_banner.html.haml

 %h4= s_('ClusterIntegration|Kubernetes cluster integration')
 
-.settings-content
-  .hidden.js-cluster-error.alert.alert-danger.alert-block.append-bottom-10{ role: 'alert' }
+.hidden.js-cluster-error.bs-callout.bs-callout-danger{ role: 'alert' }
   = s_('ClusterIntegration|Something went wrong while creating your Kubernetes cluster on Google Kubernetes Engine')
   %p.js-error-reason
 
-  .hidden.js-cluster-creating.alert.alert-info.alert-block.append-bottom-10{ role: 'alert' }
+.hidden.js-cluster-creating.bs-callout.bs-callout-info{ role: 'alert' }
   = s_('ClusterIntegration|Kubernetes cluster is being created on Google Kubernetes Engine...')
 
-  .hidden.js-cluster-success.alert.alert-success.alert-block.append-bottom-10{ role: 'alert' }
+.hidden.js-cluster-success.bs-callout.bs-callout-success{ role: 'alert' }
   = s_("ClusterIntegration|Kubernetes cluster was successfully created on Google Kubernetes Engine. Refresh the page to see Kubernetes cluster's details")
 
-  %p= s_('ClusterIntegration|Control how your Kubernetes cluster integrates with GitLab')
+.bs-callout.bs-callout-warning
+  = s_("ClusterIntegration|The default cluster configuration grants access to many functionalities needed to successfully build and deploy a containerised application.")
+  = link_to s_("More information"),  help_page_path('user/project/clusters/index.md', anchor: 'security-implications')

app/views/projects/clusters/_integration_form.html.haml

@@ -31,8 +31,3 @@
       %code *
       is the default environment scope for this cluster. This means that all jobs, regardless of their environment, will use this cluster.
       = link_to 'More information', ('https://docs.gitlab.com/ee/user/project/clusters/#setting-the-environment-scope')
-
-  %h5= s_('ClusterIntegration|Security')
-  %p
-    = s_("ClusterIntegration|The default cluster configuration grants access to a wide set of functionalities needed to successfully build and deploy a containerised application.")
-    = link_to s_("ClusterIntegration|Learn more about security configuration"),  help_page_path('user/project/clusters/index.md', anchor: 'security-implications')

locale/gitlab.pot

@@ -1619,9 +1619,6 @@ msgstr ""
 msgid "ClusterIntegration|Choose which of your project's environments will use this Kubernetes cluster."
 msgstr ""
 
-msgid "ClusterIntegration|Control how your Kubernetes cluster integrates with GitLab"
-msgstr ""
-
 msgid "ClusterIntegration|Copy API URL"
 msgstr ""
 
@@ -1787,9 +1784,6 @@ msgstr ""
 msgid "ClusterIntegration|Learn more about environments"
 msgstr ""
 
-msgid "ClusterIntegration|Learn more about security configuration"
-msgstr ""
-
 msgid "ClusterIntegration|Machine type"
 msgstr ""
 
@@ -1880,9 +1874,6 @@ msgstr ""
 msgid "ClusterIntegration|Search zones"
 msgstr ""
 
-msgid "ClusterIntegration|Security"
-msgstr ""
-
 msgid "ClusterIntegration|See and edit the details for your Kubernetes cluster"
 msgstr ""
 
@@ -1922,7 +1913,7 @@ msgstr ""
 msgid "ClusterIntegration|The IP address is in the process of being assigned. Please check your Kubernetes cluster or Quotas on Google Kubernetes Engine if it takes a long time."
 msgstr ""
 
-msgid "ClusterIntegration|The default cluster configuration grants access to a wide set of functionalities needed to successfully build and deploy a containerised application."
+msgid "ClusterIntegration|The default cluster configuration grants access to many functionalities needed to successfully build and deploy a containerised application."
 msgstr ""
 
 msgid "ClusterIntegration|This account must have permissions to create a Kubernetes cluster in the %{link_to_container_project} specified below"