Remove fixes for Internet Explorer 11, very few users, if any, are using it still.

.sass-lint.yml

...a/static_src/src/app/src/components/DetailView/style.scss

hypha/static_src/src/app/src/components/Listing/style.scss

...static_src/src/app/src/containers/DisplayPanel/style.scss

hypha/static_src/src/javascript/main-top.js

hypha/static_src/src/sass/apply/abstracts/_mixins.scss

hypha/static_src/src/sass/apply/components/_grid.scss

hypha/static_src/src/sass/public/components/_grid.scss

package.json