fix(cf-component-form): remove missing background (#273)
fix(cf-component-form): remove missing background (#273)

We removed the `background` property from the theme 46cbe7b but forgot
to remove it from the component as well.
jroyal/cf-ui,jroyal/cf-ui,jroyal/cf-ui,koddsson/cf-ui,koddsson/cf-ui,koddsson/cf-ui