remove debugging printouts from build book workflow

Author: trevorcampbell

.github/workflows/build_book.yml

@@ -19,12 +19,6 @@ jobs:
         with:
           ref: 'production'
 
-      - name: Test permissions
-        run: |
-          echo $USER
-          pwd
-          ls -al
-
       - name: Build the book
         run: |
           ./build_html.sh