Updates styles task.
Updates styles task.

Remove source changed check - you either choose to run this task manually or it's called on a change, not needed.
Removed gulp-sass options - we're trapping errors ourselves, and gulp-clean-css minifies the result anyway
Tidy up autoprefixer options

engageinteractive/core,engageinteractive/core,engageinteractive/front-end-baseplate,engageinteractive/front-end-baseplate,engageinteractive/front-end-baseplate