Drop PR comment section per team request

Keep comment: false as the team explicitly prefers.

Signed-off-by: Eyal Edri <eedri@redhat.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: 2 people

.codecov.yml

@@ -18,6 +18,4 @@ coverage:
         target: 80%
         informational: true
 
-comment:
-  layout: "reach,diff,flags,files,footer"
-  require_changes: true
+comment: false