Revert "Fixing hid serial on mac for detecting the micro:bit (#2263)"
Revert "Fixing hid serial on mac for detecting the micro:bit (#2263)"

This reverts commit 598bbc86c319504cafca69b45ce044d0dbf30c94.

Microsoft/pxt,switchinnovations/pxt,Microsoft/pxt,switch-education/pxt,switchinnovations/pxt,playi/pxt,switch-education/pxt,switch-education/pxt,switchinnovations/pxt,Microsoft/pxt,playi/pxt,Microsoft/pxt,switch-education/pxt,Microsoft/pxt,switchinnovations/pxt,playi/pxt,switch-education/pxt,playi/pxt