remove metadata section to reduce redundancy

setup.cfg

@@ -1,19 +1,3 @@
-[metadata]
-name = pychee
-version = attr: pychee.pychee.__version__
-author = Quentin Duchemin
-author_email = [email protected]
-description = Client for Lychee, written in Python.
-long_description = file: README.md
-long_description_content_type = text/markdown
-url = https://github.com/Chostakovitch/pychee
-keywords = lychee
-license = AGPL-3.0
-classifiers =
-    License :: OSI Approved :: GNU Affero General Public License v3
-    Programming Language :: Python :: 3
-    Topic :: Internet :: WWW/HTTP :: Dynamic Content :: CGI Tools/Libraries
-
 [options]
 zip_safe = False
 include_package_data = True