Removed LICENSE.md from data_files in setup.py (#410)

Author: sfstpala

setup.py

@@ -47,7 +47,6 @@ def get_packages(package):
     author_email="[email protected]",
     packages=get_packages("databases"),
     package_data={"databases": ["py.typed"]},
-    data_files=[("", ["LICENSE.md"])],
     install_requires=['sqlalchemy>=1.4,<1.5', 'aiocontextvars;python_version<"3.7"'],
     extras_require={
         "postgresql": ["asyncpg"],