Stop using setup_requires

setup.py

@@ -37,12 +37,5 @@
     print("WARNING: failed to import versioneer, falling back to no version for now")
     setup_kw = {}
 
-# Give setuptools a hint to complain if it's too old a version
-# 30.3.0 allows us to put most metadata in setup.cfg
-# Should match pyproject.toml
-SETUP_REQUIRES = ["setuptools >= 38.3.0"]
-# This enables setuptools to install wheel on-the-fly
-SETUP_REQUIRES += ["wheel"] if "bdist_wheel" in sys.argv else []
-
 if __name__ == "__main__":
-    setup(name="dandi", setup_requires=SETUP_REQUIRES, **setup_kw)
+    setup(name="dandi", **setup_kw)