setup: remove data_files installation from project setup

Author: JakaKokosar

pyproject.toml

@@ -1,7 +1,3 @@
 [build-system]
-requires = [
-  # sync with setup.py until we discard non-pep-517/518
-  "setuptools-scm>=3.3.3",
-    "setuptools>=41.2.0",
-]
 build-backend = "setuptools.build_meta"
+requires = ["setuptools", "setuptools-scm", "wheel"]

setup.py

@@ -23,11 +23,11 @@ def include_documentation(local_dir, install_dir):
 
 if __name__ == '__main__':
     setuptools.setup(
-        data_files=include_documentation('doc/build/htmlhelp', 'help/orange3-single_cell'),
+        # data_files=include_documentation('doc/build/htmlhelp', 'help/orange3-single_cell'),
         use_scm_version=True,
         setup_requires=[
-            'setuptools-scm>=3.3.3',
-            'setuptools>=41.2.0'
+            'setuptools-scm',
+            'setuptools',
         ],
         install_requires=[
             'Orange3>=3.23.0',