remove deprecated setup (#884)

setup.cfg

@@ -1,38 +1,3 @@
-[metadata]
-name = jenkinsapi
-author = Salim Fadhley, Aleksey Maksimov
-author_email = [email protected], [email protected]
-summary = A Python API for accessing resources on a Jenkins continuous-integration server.
-description-file = README.rst
-license = MIT
-classifier =
-    Development Status :: 5 - Production/Stable
-    Environment :: Console
-    Intended Audience :: Developers
-    Intended Audience :: Information Technology
-    Intended Audience :: System Administrators
-    License :: OSI Approved :: MIT License
-    Natural Language :: English
-    Operating System :: OS Independent
-    Operating System :: OS Independent
-    Programming Language :: Python
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    Programming Language :: Python :: 3.13
-    Topic :: Software Development :: Testing
-    Topic :: Utilities
-
-
-[files]
-packages =
-    jenkinsapi
-    jenkinsapi_utils
-    jenkinsapi_tests
-
 [pbr]
 warnerrors = True