Cleanup tsconfig (#866)

* Simplify tsconfig

* Add separate tsconfig for renderer to get rid of last warnings

src/app/dummy.module.ts

@@ -1,14 +0,0 @@
-import { NgModule } from '@angular/core';
-
-import { InputVerbatimDirective } from 'jslib/angular/directives/input-verbatim.directive';
-import { SearchPipe } from 'jslib/angular/pipes/search.pipe';
-
-@NgModule({
-    imports: [],
-    declarations: [
-        InputVerbatimDirective,
-        SearchPipe,
-    ],
-})
-export class DummyModule {
-}