Merge pull request #307 from noesya/6.0-cleaning

assets/sass/_theme/_configuration.sass

assets/sass/_theme/_utils.sass

assets/sass/_theme/blocks/call_to_action.sass

assets/sass/_theme/blocks/contact.sass

assets/sass/_theme/blocks/pages.sass

assets/sass/_theme/dependencies/splide.sass

assets/sass/_theme/design-system/breadcrumb.sass

assets/sass/_theme/design-system/footer.sass

assets/sass/_theme/design-system/nav.sass

assets/sass/_theme/design-system/search.sass

assets/sass/_theme/design-system/table_of_contents.sass

assets/sass/_theme/design-system/typography.sass

assets/sass/_theme/sections/papers.sass

assets/sass/_theme/sections/persons.sass

assets/sass/_theme/utils/colors.sass

assets/sass/_theme/utils/links.sass

assets/sass/_theme/utils/normalize.sass

config.yaml

layouts/partials/commons/image.html

layouts/partials/footer/debug.html