do not set locale?

Author: hebasto

ci/test/00_setup_env_mac_native.sh

@@ -4,8 +4,8 @@
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-export LANG="C.UTF-8"
-export LC_ALL="C.UTF-8"
+# export LANG="C.UTF-8"
+# export LC_ALL="C.UTF-8"
 
 # Homebrew's [email protected] is marked as externally managed (PEP 668).
 # Therefore, `--break-system-packages` is needed.