improvement(webhooks): remove dead code (#2965) #8987

Job	Run time
Detect Version	3s
Test and Build / Test and Build	2m 29s
Check Docs Changes	0s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	5m 33s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	1m 53s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	2m 40s
Build ARM64 (GHCR Only)	0s
Create GHCR Manifests	0s
Process Docs	0s
	12m 38s

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