Revert "more chromebook prereqs"
Revert "more chromebook prereqs"

This reverts commit 79432c79ffd92d9ded623ad447ce4e52a5c13e91.

edutec/Snap4Arduino,bromagosa/Snap4Arduino,bromagosa/Snap4Arduino,jguille2/Snap4Arduino,edutec/Snap4Arduino,bromagosa/Snap4Arduino,jguille2/Snap4Arduino,bromagosa/Snap4Arduino,jguille2/Snap4Arduino,jguille2/Snap4Arduino,edutec/Snap4Arduino