Remove unneeded install requirement (#196) (#214)

This library supports Python 3.8 or later.

(cherry picked from commit e34e8b9)

Co-authored-by: Quentin Pradet <[email protected]>

Author: github-actions[bot]

setup.py

@@ -52,7 +52,6 @@
     install_requires=[
         "urllib3>=1.26.2, <3",
         "certifi",
-        "importlib-metadata; python_version<'3.8'",
     ],
     python_requires=">=3.8",
     extras_require={