catalog: fix anysearch repo URLs and optional requires_env

plugin-catalog/anysearch.yaml

@@ -1,16 +1,15 @@
 name: anysearch
-repo: https://github.com/vollegrewar/hermes-anysearch
+repo: https://github.com/vollegrewar/hermes-plugin-anysearch
 sha: 43c1757a5d12d4d7adb4e74326c99182f4957b6f
 description: 'AnySearch web search and extraction plus two real-time fallback chains: when a primary backend fails (Exa quota, Firecrawl timeout), the same call is served by AnySearch (1,000 free requests/day).'
 maintainer: vollegrewar
 tier: community
 category: web
 requires_hermes: ">=0.21"
-docs_url: https://github.com/vollegrewar/hermes-anysearch#readme
+docs_url: https://github.com/vollegrewar/hermes-plugin-anysearch#readme
 platforms: []
 capabilities:
   provides_tools: []
   provides_hooks: []
   provides_middleware: []
-  requires_env:
-    - ANYSEARCH_API_KEY
+  requires_env: []