Remove licensing chapters (available elsewhere)

_sidebar.md

@@ -5,7 +5,6 @@
    * [Version Control](/best_practices/version_control.md)
    * [Code Quality](/best_practices/code_quality.md)
    * [Code Review](/best_practices/code_review.md)
-   * [Licensing](/best_practices/licensing.md)
    * [Communication](/best_practices/communication.md)
    * [Testing](/best_practices/testing.md)
    * [Releases](/best_practices/releases.md)
@@ -21,15 +20,6 @@
       * [R](/best_practices/language_guides/r.md)
       * [C and C++](/best_practices/language_guides/ccpp.md)
       * [Fortran](/best_practices/language_guides/fortran.md)
-* [Intellectual Property and Licensing](/intellectual_property_and_licensing/intellectual_property_overview.md)
-   * [Executive summary](/intellectual_property_and_licensing/summary.md)
-   * [About the Law](/intellectual_property_and_licensing/about_the_law.md)
-   * [Trademarks](/intellectual_property_and_licensing/trademarks.md)
-   * [Trade Secrets and Patents](/intellectual_property_and_licensing/trade_secrets_patents.md)
-   * [Database Rights](/intellectual_property_and_licensing/database_rights.md)
-   * [Copyright](/intellectual_property_and_licensing/copyright.md)
-   * [Software Licenses](/intellectual_property_and_licensing/software_licenses.md)
-   * [Examples](/intellectual_property_and_licensing/examples.md)
 * [Contributing to this Guide](/CONTRIBUTING.md)
 * NLeSC specific
    * [Chapter Owners](/chapter_owners.md)