Remove security configuration page feature flags

...avascripts/pages/projects/security/configuration/index.js

...ets/javascripts/security_configuration/components/app.vue

...security_configuration/components/configuration_table.vue

...avascripts/security_configuration/components/constants.js

...ipts/security_configuration/components/redesigned_app.vue

...javascripts/security_configuration/components/upgrade.vue

app/assets/javascripts/security_configuration/index.js

...controllers/projects/security/configuration_controller.rb

app/views/projects/security/configuration/show.html.haml

...ure_flags/development/security_configuration_redesign.yml

..._flags/development/security_configuration_redesign_ee.yml

doc/user/application_security/configuration/index.md

...avascripts/pages/projects/security/configuration/index.js

...ets/javascripts/security_configuration/components/app.vue

...s/security_configuration/components/auto_fix_settings.vue

...security_configuration/components/configuration_table.vue

...ipts/security_configuration/components/feature_status.vue

...ecurity_configuration/components/manage_dast_profiles.vue

...ipts/security_configuration/components/manage_feature.vue

...ipts/security_configuration/components/manage_generic.vue