fix(claude): remove invalid frontmatter fields (#14411)

update SKILL.md by removing version info which was giving error when
uploading to claude skill section

Removed versioning and last updated information from SKILL.md

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Author: imossaidqadri

.claude/skills/payload-cms/SKILL.md

@@ -1,9 +1,6 @@
 ---
 name: payload-cms
 description: Use when working with Payload CMS projects, payload.config.ts, collections, fields, hooks, access control, or Payload API. Provides TypeScript patterns and examples for Payload 3.x development.
-version: '2.0.0'
-payload-version: '3.x'
-last-updated: '2025-01-27'
 ---
 
 # Payload CMS Application Development