remove aiohttp-cors from setup.py

setup.py

@@ -86,7 +86,7 @@ def get_long_description() -> str:
         "mypy_extensions>=0.4.3",
     ],
     extras_require={
-        "d": ["aiohttp>=3.6.0", "aiohttp-cors>=0.4.0"],
+        "d": ["aiohttp>=3.6.0"],
         "colorama": ["colorama>=0.4.3"],
         "python2": ["typed-ast>=1.4.2"],
         "uvloop": ["uvloop>=0.15.2"],