Remove DOMContentLoaded Eventlisteners

Removing DOMContentLoaded Eventlisteners from
index files since the scripts
are embedded using the defer tag.

ee/app/assets/javascripts/pages/groups/saml_providers/index.js

@@ -18,8 +18,6 @@ function initMembers(el) {
   });
 }
 
-document.addEventListener('DOMContentLoaded', () => {
-  const el = document.querySelector('.js-saml-members');
-  initMembers(el);
-  initSAML();
-});
+const el = document.querySelector('.js-saml-members');
+initMembers(el);
+initSAML();

ee/app/assets/javascripts/pages/projects/security/dast_scanner_profiles/edit/index.js

 import initDastScannerProfileForm from 'ee/security_configuration/dast_scanner_profiles/dast_scanner_profiles_bundle';
 
-document.addEventListener('DOMContentLoaded', initDastScannerProfileForm);
+initDastScannerProfileForm();

ee/app/assets/javascripts/pages/projects/security/dast_scanner_profiles/new/index.js

 import initDastScannerProfileForm from 'ee/security_configuration/dast_scanner_profiles/dast_scanner_profiles_bundle';
 
-document.addEventListener('DOMContentLoaded', initDastScannerProfileForm);
+initDastScannerProfileForm();

ee/app/assets/javascripts/pages/projects/security/dast_site_profiles/edit/index.js

 import initDastSiteProfileForm from 'ee/security_configuration/dast_site_profiles_form';
 
-document.addEventListener('DOMContentLoaded', initDastSiteProfileForm);
+initDastSiteProfileForm();

ee/app/assets/javascripts/pages/projects/security/dast_site_profiles/new/index.js

 import initDastSiteProfileForm from 'ee/security_configuration/dast_site_profiles_form';
 
-document.addEventListener('DOMContentLoaded', initDastSiteProfileForm);
+initDastSiteProfileForm();