Revert "Issue #2942900 by Mixologic, vaplas, jibran, Lendude, martin107, alexpott, dawehner, tedbow, tacituseu, tstoeckler, heddn: Convert JavascriptTestBase Tests to use DrupalSelenium2Driver"

This reverts commit f55d9746.

Issue #2942900 by Mixologic, vaplas, jibran, Lendude, martin107, alexpott, dawehner, tedbow, tacituseu, tstoeckler, heddn: Convert JavascriptTestBase Tests to use DrupalSelenium2Driver

Issue #2922033 by tim.plunkett, mtodor, larowlan, xjm, pameeela, EclipseGc, samuel.mortenson: Use the Layout Builder for EntityViewDisplays

Issue #2918500 by tim.plunkett, EclipseGc, tedbow, larowlan, jibran, Wim Leers, phenaproxima, amateescu, borisson_, samuel.mortenson, gaurav.kapoor, KarlShea, hctom, mroycroft, neerajsingh, DamienMcKenna, dsnopek, Xano, TravisCarden, Tim Bozeman: Create a block which can render entity fields