Remove the logic that injected ads into the main article grid and update the rendering to no longer display ad components, ensuring only articles and widgets are present.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 1f7e7e89-a520-4970-9645-37daadc466dc
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: bcef02dc-c87d-439a-bac8-229492bf633b
Replit-Helium-Checkpoint-Created: true
