removes material-mkdocs-insiders from the requirements.txt

requirements.txt

@@ -1,12 +1,3 @@
-# DOCUMENTATION - MATERIAL FOR MKDOCS INSIDERS
-# IMPORTANT: This project uses Material for MkDocs **INSIDERS** Edition.
-# To install this you will need a GitHub token which is available (for RCPCH team only)
-# in our .env files
-
-# git+https://${MATERIAL_FOR_MKDOCS_INSIDERS_TOKEN}@github.com/squidfunk/mkdocs-material-insiders.git
-
-# Further information is at https://squidfunk.github.io/mkdocs-material/insiders/getting-started/
-
 mkdocs-material
 mkdocs-git-committers-plugin-2 # displays authors at the bottom of the page
 mkdocs-git-revision-date-localized-plugin # displays last edit date at the bottom of the page