Revert "Issue #1843034 follow-up by Cottser: Tests for configurable Twig settings."

This reverts commit 3cf10751720e173ab372960548a53cb146c4756d.

Tests no longer pass, so this breaks testbot.
Issue #1770772 by damiankloip, dawehner, tim.plunkett: Move row_plugin() from style_plugin() to the main view object.
Issue #1870764 by quicksketch, dawehner, frega, larowlan, nod_: Add an ajax command which makes it easy to use the dialog API in complex cases.
Issue #1938570 by derEremit, damiankloip: Fixed Make views active config save format match the default yml file (order and quotes).
Issue #1912308 by vijaycs85, sandipmkhairnar, mr.york: Create configuration schemas for breakpoint module.
Issue #1919180 by vijaycs85, sandipmkhairnar: Create configuration schemas for locale module.
Issue #1919202 by vijaycs85, pfrenssen, dsnopek: Create configuration schemas for statistics module.
Issue #1919164 by Vikas Negi, sandipmkhairnar, vijaycs85: Create configuration schemas for field module.
Issue #1919176 by sandipmkhairnar, vijaycs85, csg: Create configuration schemas for forum module.
Issue #1919184 by nikhilasrani, vijaycs85: Create configuration schemas for menu module.
Issue #1925748 by echoz: Fixed dropbutton in narrow views ui.
Issue #1942154 by vijaycs85: Fixed Make OpenID module active config save format match the default yml file.
Issue #1938132 by sidharthap: ListingEmpty contains wrong @file.
Issue #1938600 by tim.plunkett: Add a FormInterface replacement for confirm_form().
Issue #1944344 by swentel: Fixed field_ui_update_8001 deletes permissions.
Issue #1926958 by amateescu, maciej.zgadzaj, dawehner: Fixed (Regression) menu_link_save() no longer returns success/failure to calling functions.
Issue #1934964 by alexpott, Gábor Hojtsy, nevergone: Fixed Locale override subscriber should re-init context to clear caches.
applied patch
re-applied date time field test without rename
fixed bulk delete tests