Remove implementation guide from sites to check

Author: Ainali

url-check-config.json

@@ -20,10 +20,6 @@
             "url": "https://github.com/publiccodenet/blog.git",
             "branch": "main"
         },
-        "community-implementation-guide-standard": {
-            "url": "https://github.com/publiccodenet/community-implementation-guide-standard.git",
-            "branch": "main"
-        },
         "bumperscripter": {
             "url": "https://github.com/publiccodenet/bumperscripter.git",
             "branch": "main"