remove editable wheel customization

pkgs/sage-conf_meson/setup.py

@@ -6,8 +6,6 @@
 
 from setuptools import setup
 from setuptools.command.build_py import build_py as setuptools_build_py
-from setuptools.command.editable_wheel import \
-    editable_wheel as setuptools_editable_wheel
 from setuptools.errors import SetupError
 
 
@@ -47,16 +45,8 @@ def run(self):
         distutils_build_scripts.run(self)
 
 
-class editable_wheel(setuptools_editable_wheel):
-    r"""
-    Customized so that exceptions raised by our build_py
-    do not lead to the "Customization incompatible with editable install" message
-    """
-    _safely_run = setuptools_editable_wheel.run_command
-
-
 setup(
     cmdclass=dict(
-        build_py=build_py, build_scripts=build_scripts, editable_wheel=editable_wheel
+        build_py=build_py, build_scripts=build_scripts
     )
 )