Remove "async" flag from the `menu.popup()` options
Remove "async" flag from the `menu.popup()` options

All menus have become async after the Chromium 61 upgrade.
Fixes #11242.

bpasero/electron,thomsonreuters/electron,the-ress/electron,shiftkey/electron,bpasero/electron,gerhardberger/electron,the-ress/electron,Floato/electron,electron/electron,thomsonreuters/electron,bpasero/electron,gerhardberger/electron,bpasero/electron,gerhardberger/electron,Floato/electron,bpasero/electron,Floato/electron,gerhardberger/electron,shiftkey/electron,the-ress/electron,seanchas116/electron,shiftkey/electron,electron/electron,shiftkey/electron,bpasero/electron,Floato/electron,the-ress/electron,thomsonreuters/electron,the-ress/electron,gerhardberger/electron,electron/electron,shiftkey/electron,gerhardberger/electron,gerhardberger/electron,electron/electron,the-ress/electron,electron/electron,shiftkey/electron,seanchas116/electron,electron/electron,Floato/electron,seanchas116/electron,thomsonreuters/electron,seanchas116/electron,Floato/electron,thomsonreuters/electron,bpasero/electron,electron/electron,seanchas116/electron,seanchas116/electron,the-ress/electron,thomsonreuters/electron