[risk=no] Revert back to es5 (#1737)
[risk=no] Revert back to es5 (#1737)


all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench