How to hide "Tags" and "Categories" from the sidebar while keeping their pages accessible?

I’m using the Chirpy theme for my Jekyll site and want to hide “Tags” and “Categories” from the top navigation menu. However, I still need the /categories/ and /tags/ pages to remain active to link to them from other parts of my site.

For example, I’d like to include links to these pages on my “Archives” or “All Posts” page, like this:

Browse by:
<strong><a href="{{ base_path }}/categories/">
  <i class="fa fa-fw fa-folder-open" aria-hidden="true"></i> Categories
</a></strong>
<strong><a href="{{ base_path }}/tags/">
  <i class="fa fa-fw fa-tags" aria-hidden="true"></i> Tags
</a></strong>
<strong><a href="{{ base_path }}/archives/">
  <i class="fa fa-fw fa-calendar" aria-hidden="true"></i> Year
</a></strong>

How can I achieve this without breaking the functionality of the “Tags” and “Categories” pages? Any advice on improving the design of the links for better aesthetics is also appreciated.

I would think removing the links from the main nav wouldn’t affect the actual urls. I am not familiar with the theme but I would assume there is a layout or include that has the main nav and you could comment it out there and see what happens.

I have switched to pages, instead of using tabs. Here’s my modified template: GitHub - rafisics/website-theme at a469743076675a5491a8691eb609f0e93f5f47fd