Revert "Let's include the npf.cat file, but signed by Boundary (see BOUNDARY-1386)."

This reverts commit fc0d1cae53cc41359bdcb490d2b80a9618743de4.
Revert "Comment out inclusion of the .cat file from the installer, which corrects 'unattended' installation mode (see BOUNDARY-1386)."

This reverts commit 770002acc5d3ed1157dad7dbe29a39e7d376d5aa.