remove old build system files

MANIFEST.in

@@ -1,3 +0,0 @@
-include LICENSE.txt
-include README.md
-include pandas_ods_reader/VERSION

pandas_ods_reader/VERSION

@@ -1 +0,0 @@
-0.1.2

setup.cfg

@@ -1,31 +0,0 @@
-[metadata]
-name = pandas-ods-reader
-version = file: pandas_ods_reader/VERSION
-description = Read in an ODS file and return it as a pandas.DataFrame
-long_description = file: README.md, LICENSE.txt
-long_description_content_type = text/markdown
-classifiers = 
-    Development Status :: 5 - Production/Stable
-    License :: OSI Approved :: MIT License
-    Programming Language :: Python :: 3
-    Topic :: Utilities
-keywords = data, io, pandas, ods
-url = https://github.com/iuvbio/pandas_ods_reader
-author = iuvbio
-author_email = cryptodemigod@protonmail.com
-license = MIT
-
-[options]
-zip_safe = False
-packages = find:
-include_package_data = True
-install_requires =
-    ezodf
-    lxml
-    pandas
-
-[options.extras_require]
-test = pytest
-
-[aliases]
-test = pytest

setup.py

@@ -1,7 +0,0 @@
-from setuptools import setup
-
-
-if __name__ == "__main__":
-    setup(
-        # see setup.cfg
-    )