sagemathgh-40526: Delete one appearance of sage-python
    
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In sagemath#40490, `sage-python` has been replaced by `python3` and one
`bin/sage-python` has been erased, while other one is still there, erase
it also.

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URL: sagemath#40526
Reported by: Enrique Manuel Artal Bartolo
Reviewer(s): Dima Pasechnik

Author: Release Manager

pkgs/sagemath-environment/pyproject.toml.m4

@@ -47,8 +47,6 @@ script-files = [
     "bin/sage-num-threads.py",
     "bin/sage-venv-config",
     "bin/sage-version.sh",
-    # Auxiliary script for invoking Python in the Sage environment
-    "bin/sage-python",
     # Not included:
     # - bin/sage-env-config                  -- installed by sage_conf
     # - bin/sage-env-config.in               -- not to be installed