Remove explicit declare of package-data

pyproject.toml

@@ -124,36 +124,22 @@ feff_plot_dos = "pymatgen.cli.feff_plot_dos:main"
 get_environment = "pymatgen.cli.get_environment:main"
 
 [tool.setuptools]
-include-package-data = false
+include-package-data = true
+
+[tool.setuptools.exclude-package-data]
+"pymatgen" = [
+    "optimization/linear_assignment.c",
+    "optimization/linear_assignment.pyx",
+    "optimization/neighbors.c",
+    "optimization/neighbors.pyx",
+    "util/coord_cython.c",
+    "util/coord_cython.pyx",
+]
 
 [tool.setuptools.packages.find]
 where = ["src"]
 include = ["pymatgen", "pymatgen.*"]
 
-[tool.setuptools.package-data]
-"pymatgen.analysis" = ["*.csv", "*.json", "*.yaml"]
-"pymatgen.analysis.chemenv" = [
-    "coordination_environments/coordination_geometries_files/*.json",
-    "coordination_environments/coordination_geometries_files/*.txt",
-    "coordination_environments/strategy_files/ImprovedConfidenceCutoffDefaultParameters.json",
-]
-"pymatgen.analysis.structure_prediction" = ["*.yaml", "data/*.json"]
-"pymatgen.analysis.diffraction" = ["*.json"]
-"pymatgen.analysis.magnetism" = ["default_magmoms.yaml"]
-"pymatgen.analysis.solar" = ["am1.5G.dat"]
-"pymatgen.entries" = ["*.json.gz", "*.yaml", "data/*.json"]
-"pymatgen.core" = ["*.json"]
-"pymatgen" = ["py.typed"]
-"pymatgen.io.vasp" = ["*.json", "*.json.bz2", "*.json.gz", "*.yaml"]
-"pymatgen.io.feff" = ["*.yaml"]
-"pymatgen.io.cp2k" = ["*.yaml"]
-"pymatgen.io.lobster" = ["lobster_basis/*.yaml"]
-"pymatgen.command_line" = ["*"]
-"pymatgen.util" = ["*.json", "structures/*.json"]
-"pymatgen.vis" = ["*.yaml"]
-"pymatgen.io.lammps" = ["CoeffsDataType.yaml", "templates/*.template"]
-"pymatgen.symmetry" = ["*.json", "*.sqlite", "*.yaml"]
-
 [tool.pdm.dev-dependencies]
 lint = ["mypy>=1.10.0", "pre-commit>=3.7.1", "ruff>=0.4.9"]
 test = ["pytest-cov>=5.0.0", "pytest-split>=0.9.0", "pytest>=8.2.2"]