Turns out zope.cachedescriptors was only a test dependency of formlib, which...

Turns out zope.cachedescriptors was only a test dependency of formlib, which we don't care about anymore.

ZOPE_APP_DEPENDENCIES.rst

@@ -138,9 +138,9 @@ Questionable dependencies
 - [ ] zope.broken (this is really just one interface, merge into ZODB3!)
       o zope.container
 
-- [ ] zope.cachedescriptors (this is only used for the Lazy implementation)
+- [X] zope.cachedescriptors
       * zope.container
-      o zope.formlib
+      * zope.formlib
 
 - [ ] zope.deferredimport (we should stop using it)
       o Zope2

versions.cfg

@@ -36,7 +36,6 @@ zope.browser = 1.2
 zope.browsermenu = 3.9.0
 zope.browserpage = 3.11.0
 zope.browserresource = 3.10.2
-zope.cachedescriptors = 3.5.0
 zope.component = 3.8.0
 zope.configuration = 3.7.0
 zope.container = 3.11.0