Remove Samples from pdf

Author: dellis1972

pdf/articles/toc.yml

@@ -97,8 +97,6 @@ items:
         href: ../../articles/migration/migrate_38.md
       - name: Updating Versions
         href: ../../articles/migration/updating_versions.md
-  - name: Samples and Demos
-    href: ../../articles/samples.md
   - name: Tutorials
     href: ../../articles/tutorials/index.md
     items: