remove versioneer bits

Author: ocefpaf

setup.cfg

@@ -1,15 +1,3 @@
-# See the docstring in versioneer.py for instructions. Note that you must
-# re-run 'versioneer.py setup' after changing this section, and commit the
-# resulting files.
-
-[versioneer]
-VCS = git
-style = pep440
-versionfile_source = folium/_version.py
-versionfile_build = folium/_version.py
-tag_prefix = v
-parentdir_prefix =
-
 [tool:pytest]
 flake8-max-line-length = 121
 flake8-ignore =