Code cleanup/Refactoring

src/app/app.module.ts

src/app/dars/dars-view/dars-view.component.ts

src/app/dars/dars.module.ts

src/app/dars/metadata-table/metadata-table.component.html

src/app/dars/metadata-table/metadata-table.component.scss

...p/dars/new-audit-options/new-audit-options.component.html

...p/dars/new-audit-options/new-audit-options.component.scss

...ars/new-audit-options/new-audit-options.component.spec.ts

...app/dars/new-audit-options/new-audit-options.component.ts