Back out the update debounce changes not intended for this pull request, and clean up code for the 0 time to match the rest of the source style
Back out the update debounce changes not intended for this pull request, and clean up code for the 0 time to match the rest of the source style

ftlabs/ftscroller,npmcomponent/ftlabs-ftscroller,realyze/ftscroller_gsap_test