Remove service_workers_support from api/FileReaderSync (#8014)
Remove service_workers_support from api/FileReaderSync (#8014)

* Remove service_workers_support from api/FileReaderSync

* Add note that not supported in service workers

* Fix working to Not supported in service workers

* Apply suggestions from code review

Co-authored-by: Daniel D. Beck <3d0f3b9ddcacec30c4008c5e030e6c13a478cb4f@ddbeck.com>

* Fix typo

Co-authored-by: Daniel D. Beck <3d0f3b9ddcacec30c4008c5e030e6c13a478cb4f@ddbeck.com>
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data