Merge branch 'telemetry-70-remove-pendo-poc-from-staging' into 'master'

Removed pendo poc code

See merge request gitlab-org/gitlab-ee!14921

app/views/layouts/_head.html.haml

@@ -78,4 +78,3 @@
   = render 'layouts/google_analytics' if extra_config.has_key?('google_analytics_id')
   = render 'layouts/piwik' if extra_config.has_key?('piwik_url') && extra_config.has_key?('piwik_site_id')
   = render_if_exists 'layouts/snowplow'
-  = render_if_exists 'layouts/pendo' if Feature.enabled?(:pendo_tracking) && !Rails.env.test?

ee/app/views/layouts/_pendo.html.haml

--# haml-lint:disable InlineJavaScript
-:javascript
-  (function(apiKey){
-    (function(p,e,n,d,o){var v,w,x,y,z;o=p[d]=p[d]||{};o._q=[];
-    v=['initialize','identify','updateOptions','pageLoad'];for(w=0,x=v.length;w<x;++w)(function(m){
-        o[m]=o[m]||function(){o._q[m===v[0]?'unshift':'push']([m].concat([].slice.call(arguments,0)));};})(v[w]);
-        y=e.createElement(n);y.async=!0;y.src='https://cdn.pendo.io/agent/static/'+apiKey+'/pendo.js';
-        z=e.getElementsByTagName(n)[0];z.parentNode.insertBefore(y,z);})(window,document,'script','pendo');
-
-        // Call this whenever information about your visitors becomes available
-        // Please use Strings, Numbers, or Bools for value types.
-        pendo.initialize({
-            visitor: {
-              id: '#{current_user&.username}',
-              email: '#{current_user&.email}'
-            }
-        });
-        })('a311ff3e-ad8e-4afb-6ffc-87b0d62305b7');