Remove trailing comma in commit message of pxt bump (#4766)
Remove trailing comma in commit message of pxt bump (#4766)

* Remove trailing comma in commit message of pxt bump

* Real fix

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