make license dynamic from setuptools info

Author: julesghub

pyproject.toml

@@ -10,7 +10,9 @@ requires = [
 
 [project]
 name    = "underworld"
-dynamic = ["version"] # is dynamically taken from setuptools backend
+dynamic = [
+  "version",
+  "license" ] # is dynamically taken from setuptools backend
 authors = [
   {name = "Louis Moresi", email="[email protected]"},
   {name = "Julian Giordani", email="[email protected]"},
@@ -30,7 +32,6 @@ dependencies = [
 requires-python = ">=3.8"
 description = "Underworld2 is a python-friendly, parallel, scalable, easy-to-use toolkit for solving problems in solid and fluid mechanics."
 readme = "README.md"
-license-files = ["./LICENSE.md"]
 keywords = ["Underworld", "MPI", "Geodynamics"]
 classifiers = [
   "Development Status :: 5 - Production/Stable",