Revert "doc: Adding banner to kflux-prd-rh03 for DNS intermittent error (#8621)" (#8622)

This reverts commit fe89c84.

Author: jdcasey

components/konflux-info/production/kflux-prd-rh03/banner-content.yaml

@@ -1,6 +1,3 @@
 # Only the first banner will be displayed. Put the one to display at the top and remove any which are no longer relevant
-- type: warning
-  summary: We're experiencing intermittent DNS resolution errors throughout the cluster, including for services inside the cluster itself. This is resulting in intermittent pipeline failures. We are currently investigating.
-
 - type: info
   summary: Looking for help? Try the new [Konflux User Advisor in notebooklm](https://notebooklm.google.com/notebook/6916b269-d239-48af-870e-01c90da5345d) before going to [#konflux-users](https://redhat.enterprise.slack.com/archives/C04PZ7H0VA8). Let us know how it works for you!