More Layering (#9139)

* move handling generated files to the serilization classes

* remove unneeded methods

* add more folders to strictire compile, add more strict compile options

* update ci

* wip

* add more layering and fix issues

* add more strictness

* remove unnecessary assertion

* add missing checks

* fix indentation

* wip

* remove jsdoc

* fix layering

* fix compile

* fix compile errors

* wip

* wip

* finish layering

* fix css

* more layering

* rip

* reworking results serializer

* move some files around

* move capabilities to platform wip

* implement capabilities register provider

* fix capabilities service

* fix usage of the regist4ry

* add contribution

* wip

* wip

* wip

* remove no longer good parts

* fix strict-nulls

* fix issues with startup

* another try

* fix startup

* fix imports

* fix tests

* fix tests

* fix more tests

* fix tests

* fix more tests

* fix broken test

* fix tabbing

* fix naming

* wip

* finished layering

* fix imports

* fix valid layers

* fix layers

src/sql/workbench/services/errorMessage/browser/errorMessageDialog.ts

@@ -3,7 +3,6 @@
  *  Licensed under the Source EULA. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import 'vs/css!sql/media/icons/common-icons';
 import 'vs/css!./media/errorMessageDialog';
 import { Button } from 'sql/base/browser/ui/button/button';
 import { Modal } from 'sql/workbench/browser/modal/modal';