ansible, ansible_2_10: internalize collections package

This drops the python3Packages.ansible-collections attribute in favor of
a local callPackage that overwrites the collections package per ansible
version.

(cherry picked from commit ca618d6401631cf2c82c81220c54e774b514297f)

pkgs/development/python-modules/ansible/collections.nix

@@ -14,21 +14,23 @@
 , xmltodict
 , withJunos ? false
 , withNetbox ? false
+
+, version
+, sha256
 }:
 
 buildPythonPackage rec {
   pname = "ansible";
-  version = "3.4.0";
+  inherit version;
   format = "setuptools";
 
   src = fetchPypi {
-    inherit pname version;
-    sha256 = "096rbgz730njk0pg8qnc27mmz110wqrw354ca9gasb7rqg0f4d6a";
+    inherit pname version sha256;
   };
 
   postPatch = ''
     # make ansible-base depend on ansible-collection, not the other way around
-    sed -i '/ansible-base/d' setup.py
+    sed -Ei '/ansible-(base|core)/d' setup.py
   '';
 
   propagatedBuildInputs = lib.unique ([