Remove workaround for yargs/yargs#755
Remove workaround for yargs/yargs#755

This was fixed in yargs 7.0.0 2 years ago, but the issue had not been
closed.

Signed-off-by: Kevin Locke <ffb4761cba839470133bee36aeb139f58d7dbaa9@kevinlocke.name>

kevinoid/swagger-spec-validator,kevinoid/promised-read,kevinoid/node-project-template,kevinoid/appveyor-status,kevinoid/git-branch-is,kevinoid/appveyor-status,kevinoid/promised-read,kevinoid/stream-compare,kevinoid/travis-status,kevinoid/git-branch-is,kevinoid/travis-status,kevinoid/swagger-spec-validator,kevinoid/node-project-template,kevinoid/appveyor-status,kevinoid/node-project-template,kevinoid/stream-compare,kevinoid/git-branch-is,kevinoid/travis-status,kevinoid/promised-read,kevinoid/stream-compare,kevinoid/swagger-spec-validator