* Remove i18n polyfill to translate things in components
* Reduce bundle sizes
* Improve runtime perf
* Reduce a lot the time to make a full client build
* Reduce client build complexity
* We don't need a service to translate things anymore (so we will be able to translate title pages etc)
Unfortunately we may loose some translations in the migration process.
I'll put a message on weblate to notify translators
* Fluid abstract video list
* normalize timestamp display on miniatures
* use grid for abstract-video-list
- refactor scss function var to pvar to avoid overriding css variables
- move fluid-grid margins to adapt-margin-content-width mixin for maintainability
- fix video-miniature-name margin-top on small screen
* move sceenratio function in a mixin
* display no miniature avatar in channel videos view