fix(dependency): remove unused font-awesome dependency for pui-css-typography
fix(dependency): remove unused font-awesome dependency for pui-css-typography

Pui-css-typography does not appear to use font-awesome so we would like
to remove it.

sjolicoeur/pivotal-ui,sjolicoeur/pivotal-ui,pivotal-cf/pivotal-ui,sjolicoeur/pivotal-ui,pivotal-cf/pivotal-ui,pivotal-cf/pivotal-ui,sjolicoeur/pivotal-ui