replace block sections by div

assets/sass/_theme/blocks/call_to_action.sass

layouts/partials/blocks/templates/call_to_action.html

layouts/partials/blocks/templates/chapter.html

layouts/partials/blocks/templates/contact.html

layouts/partials/blocks/templates/datatable.html

layouts/partials/blocks/templates/definitions.html

layouts/partials/blocks/templates/embed.html

layouts/partials/blocks/templates/features.html

layouts/partials/blocks/templates/files.html

layouts/partials/blocks/templates/gallery.html

layouts/partials/blocks/templates/image.html

layouts/partials/blocks/templates/key_figures.html

layouts/partials/blocks/templates/organization_chart.html

layouts/partials/blocks/templates/pages.html

layouts/partials/blocks/templates/partners.html

layouts/partials/blocks/templates/posts.html

layouts/partials/blocks/templates/programs.html

layouts/partials/blocks/templates/sound.html

layouts/partials/blocks/templates/testimonials.html

layouts/partials/blocks/templates/timeline.html