chore: delete unused github-sponsor-webhook service

.github/workflows/earthly.yml

@@ -37,7 +37,6 @@ jobs:
           source: .
           push: true
           set: |
-            github-sponsor-webhook.tags=ghcr.io/xe/site/github-sponsor-webhook:latest
             patreon-saasproxy.tags=ghcr.io/xe/site/patreon-saasproxy:latest
             sponsor-panel.tags=ghcr.io/xe/site/sponsor-panel:latest
             xesite.tags=ghcr.io/xe/site/bin:latest
@@ -49,7 +48,6 @@ jobs:
           source: .
           push: false
           set: |
-            github-sponsor-webhook.tags=ghcr.io/xe/site/github-sponsor-webhook:latest
             patreon-saasproxy.tags=ghcr.io/xe/site/patreon-saasproxy:latest
             sponsor-panel.tags=ghcr.io/xe/site/sponsor-panel:latest
             xesite.tags=ghcr.io/xe/site/bin:latest

.gitignore

@@ -11,4 +11,3 @@ cw.tar
 node_modules
 /xesite
 /xesitectl
-/github-sponsor-webhook

AGENTS.md

@@ -5,7 +5,7 @@ Go-based static site generator with JavaScript tooling for content automation.
 ## Project Structure
 
 ```
-cmd/        # Binaries: fabricate-generation, github-sponsor-webhook, hydrate, no-way-to-prevent-this, patreon-saasproxy, xesite (main), xesitectl
+cmd/        # Binaries: fabricate-generation, hydrate, no-way-to-prevent-this, patreon-saasproxy, xesite (main), xesitectl
 internal/   # Private packages
 lume/       # Static site generator configuration and pages
 ```