[Tutorials] Update .gitignore

Various files are no longer generated as part of the Tutorial conversion process, and the tutorial output has been moved to the docs/tutorials/ directory.

.gitignore

@@ -131,7 +131,8 @@ sphinx/build/
 tutorials/experiment.json
 tutorials/ax_client_snapshot.json
 tutorials/*.db
-docs/tutorials/**/
+docs/tutorials/*
+!docs/tutorials/index.mdx
 
 # Docusaurus site
 **/yarn.lock
@@ -141,12 +142,6 @@ website/i18n/
 .docusaurus
 .cache-loader
 
-## Generated for tutorials
-website/_tutorials/
-website/static/files/
-website/pages/tutorials/*
-!website/pages/tutorials/index.js
-
 ## Generated for Sphinx
 website/pages/api/
 website/static/js/*