chore: remove legacy docbot and apibot scripts

Author: paulbalandan

admin/README.md

@@ -41,13 +41,6 @@ This folder contains tools or docs useful for project maintainers.
     to be added as part of a git commit, ensuring that they conform to the
     framework coding style standards, and automatically fixing what can be.
 
-## Maintainer Scripts
-
--   **docbot** re-builds the user guide from the RST source for it,
-    and optionally deploys it to the `gh-pages` branch of the main
-    repository (if the user running it has maintainer rights on that repo).  
-    See the [writeup](./docbot.md).
-
 ## Release Scripts
 
 The release process is detailed in [RELEASE.md](./RELEASE.md). These scripts

admin/alldocs

@@ -32,9 +32,6 @@ function findExecutableFiles(string $dir, array $excludeDirs = []): array
     static $execFileList = [
         '.github/scripts/deploy-userguide',
         '.github/scripts/secure-git-push',
-        'admin/apibot',
-        'admin/alldocs',
-        'admin/docbot',
         'admin/starter/builds',
         'user_guide_src/add-edit-this-page',
     ];