removed citation automation as there is incompatibility with pyprojec…

…t.toml metadata when building the package

pyproject.toml

@@ -31,9 +31,9 @@ name = "pymurtree"
 version = "0.0.1"
 description = "Python bindings for MurTree C++ library"
 readme = "README.md"
+# license = "MIT"
 long_description = {file = "README.md"}
 long_description_content_type = "text/markdown"
-license = 'MIT'
 keywords = ["MurTree", "Optimal decision tree", "Python bindings"]
 
 authors = [
@@ -48,6 +48,10 @@ dependencies = [
     "numpy>=1.18.0"
 ]
 
+[project.license]
+file = 'LICENSE'
+
+
 [project.urls]
 homepage = "https://github.com/MurTree/pymurtree.git"
 MurTreeCpp = "https://github.com/MurTree/murtree"
@@ -65,21 +69,8 @@ dev = [
     "pytest>=5.3.0",
     "pytest-cov>=2.8.0"
 ]
-publishing = [
-    "cff-from-621"
-]
 
 [tool.pytest.ini_options]
 pythonpath = [
   ".", "src/pymurtree"
 ]
-
-[tool.cff-from-621]
-order = ["message", "cff-version", "title", "abstract", "version", "date-released", "authors", "keywords"]
-
-[tool.cff-from-621.static]
-date-released = "2023-09-20"
-message = "If you use this software, please cite it as below."
-
-[tool.setuptools.dynamic]
-version = {attr = "cff_from_621.version.VERSION"}