remove problematic License-expression

Author: Carreau

pyproject.toml

@@ -17,7 +17,6 @@ classifiers = [
     "Framework :: Jupyter",
     "Intended Audience :: Developers",
     "Intended Audience :: Science/Research",
-    "License-Expression: BSD-3-Clause",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",