[dist] Remove unused `errors.js` file.
[dist] Remove unused `errors.js` file.

Phanatic/pkgcloud,songanbui/pkgcloud,mdsummers/pkgcloud,pkgcloud/pkgcloud,DonSchenck/pkgcloud,dionjwa/pkgcloud,apla/pkgcloud,hacor/pkgcloud,temka1234/pkgcloud,andrewsomething/pkgcloud,mcanthony/pkgcloud,Phanatic/pkgcloud,Hopebaytech/pkgcloud,bunglestink/pkgcloud