Update setup.cfg to remove classifiers because I don't feel like retyping this to be honest

Author: wbarnha

setup.cfg

@@ -10,17 +10,7 @@ project_urls =
 license = BSD 3-Clause License
 license_file = LICENSE
 keywords = rocksdb bindings
-classifiers =
-    Development Status :: 5 - Production/Stable
-    Intended Audience :: Developers
-    License :: OSI Approved :: BSD License
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Topic :: Database
+
 
 
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