remove unnecessary dependencies

grasp/flake.nix

@@ -30,15 +30,6 @@
             '';
           };
           python-with-my-packages = pkgs.python39.withPackages (p: with p; [
-            pytz # even though it's not needed by the core, it's so common anyway...
-            appdirs # very common, and makes it portable
-            more-itertools # it's just too useful and very common anyway
-            decorator # less pain in writing correct decorators. very mature and stable, so worth keeping in core
-            click
-            setuptools-scm
-            pytest
-            geopy
-            mypy
           ]);
         in
         {