Update pxt version, reverting commit
Update pxt version, reverting commit

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