docs: Remove excludeNotDocumented option from TypeDoc configuration (#2170)

Author: mddragnev

scripts/build-typedoc.js

@@ -108,7 +108,6 @@ async function main() {
     router: 'kind',
     excludePrivate: true,
     excludeProtected: true,
-    excludeNotDocumented: true,
     suppressCommentWarningsInDeclarationFiles: true,
     name: 'Ignite UI for Web Components',
     readme: 'none',