Doc update

src/app/demo/components/documentation/documentation.component.html

@@ -123,15 +123,5 @@ <h4>Theme</h4>
             folder such as <span class="text-primary font-medium">assets/layout/styles/theme/lara-light-indigo/theme.css</span>.</p>
 
         <p>Another alternative would be creating dynamic bundles, please see the <a href="https://www.youtube.com/watch?v=5VOuUdDXRsE" class="font-medium text-primary hover:underline">video tutorial</a> for an example.</p>
-
-        <h5>Theme Designer</h5>
-        <p>Sakai includes a simplified version of the <a href="https://www.primefaces.org/designer/primeng">PrimeNG Theme Designer</a> that only includes the main SASS structure. Full list of SASS variables to customize the components further is available at the
-            <a href="https://www.primefaces.org/designer/api/primeng/13.2.0/" class="font-medium text-primary hover:underline">SASS API</a> docs.
-        </p>
-
-        <h4>Migration Guide</h4>
-        <p>Every important change is included in <b>CHANGELOG.md</b> file at the root folder of the distribution along with the instructions to update. Whenever a major version of Angular is released, a new version of the template
-        is provided that mainly brings compatibility support to the PrimeNG component theming. If there are no compatibility issues on component theming e.g. new components or new functionality to PrimeNG,
-        you may still update your application to the latest Angular and PrimeNG without the need to waiting for an update.</p>
     </div>
 </div>