Clean up scaffolder config

Signed-off-by: Tim Hansen <timbonicus@gmail.com>

app-config.yaml

@@ -277,24 +277,6 @@ scaffolder:
   #   email: scaffolder@backstage.io
   # Use to customize the default commit message when new components are created
   # defaultCommitMessage: 'Initial commit'
-  github:
-    token: ${GITHUB_TOKEN}
-    visibility: public # or 'internal' or 'private'
-  gitlab:
-    api:
-      baseUrl: https://gitlab.com
-      token: ${GITLAB_TOKEN}
-    visibility: public # or 'internal' or 'private'
-  azure:
-    baseUrl: https://dev.azure.com/{your-organization}
-    api:
-      token: ${AZURE_TOKEN}
-  bitbucket:
-    api:
-      host: https://bitbucket.org
-      username: ${BITBUCKET_USERNAME}
-      token: ${BITBUCKET_TOKEN}
-    visibility: public # or or 'private'
 
 auth:
   ### Add auth.keyStore.provider to more granularly control how to store JWK data when running