Remove packaging dependency from cli

This dependency is required by pulp-glue and therefore well enough under
control.

Author: mdellweg

pyproject.toml

@@ -25,7 +25,6 @@ classifiers=[
 dependencies = [
   "pulp-glue==0.33.0.dev",
   "click>=8.0.0,<9",
-  "packaging>=20.0,<=24.2",  # CalVer
   "PyYAML>=5.3,<6.1",
   "schema>=0.7.5,<0.8",
   "tomli>=2.0.0,<2.1;python_version<'3.11'",