Fix Related Projects (#616)

Added a description of Chaquopy as a related project, and dropped some projects that are no longer used.

Author: johnzhou721

content/community/related/contents.lr

@@ -15,22 +15,18 @@ CookieCutter
 
 `CookieCutter <https://github.com/audreyr/cookiecutter>`__ is a command-line utility that creates projects from cookiecutters (project templates), e.g. creating a Python package project from a Python package project template.
 
+Chaquopy
+------------
+
+`Chaquopy <https://chaquo.com/>`__ is a Python SDK for Android that offers integration with the standard Gradle build system for Android Studio, simple APIs for interoperability with Java/Kotlin, and a variety of third-party Python packages. It is used as the foundation for BeeWare's tooling on Android.
 
-Django
------------
-`Django <https://www.djangoproject.com/>`__, a web framework for perfectionists with deadlines.
 
 Lektor
 -------------
 
 This website has been created using `Lektor <https://www.getlektor.com/>`__, a flexible and powerful static content management system for building complex and beautiful websites out of flat files — for people who do not want to make a compromise between a CMS and a static blog engine.
 
 
-check-manifest
----------------------
-
-Are you a Python developer? Have you uploaded packages to the Python Package Index? Have you accidentally uploaded broken packages with some files missing? If so, `check-manifest <https://github.com/mgedmin/check-manifest>`__ is for you.
-
 octohatrack
 -----------------