due to removal of API getUsagesString from nsIX509Cert this plugin was not working anymore
due to removal of API getUsagesString from nsIX509Cert this plugin was not working anymore

removed the call to the API as it was sujested by David Keeler

https://bugzilla.mozilla.org/show_bug.cgi?id=1309690#c9

sharapanoff/signTextJS,sharapanoff/signTextJS