[rpms/python-psutil] rawhide: Fix RHEL build with latest pytest

[Yaakov Selkowitz <yselkowi@redhat.com>]

            A new commit has been pushed.

            Repo   : rpms/python-psutil
            Branch : rawhide
            Commit : ebc18ecd6638877cc7ad0cab8aa3c530d9d53552
            Author : Yaakov Selkowitz <yselkowi@redhat.com>
            Date   : 2026-09-16T14:02:39-04:00
            Stats  : +1/-0 in 1 file(s)
            URL    : https://src.fedoraproject.org/rpms/python-psutil/c/ebc18ecd6638877cc7ad0cab8aa3c530d9d53552?branch=rawhide

            Log:
            Fix RHEL build with latest pytest

While this built previously, now some tests are failing with:

'xdist_group' not found in `markers` configuration option

[skip changelog]

---
diff --git a/python-psutil.spec b/python-psutil.spec
index 291f7dc..50e06fe 100644
--- a/python-psutil.spec
+++ b/python-psutil.spec
@@ -50,6 +50,7 @@ ifconfig, nice, ionice, iostat, iotop, uptime, pidof, tty, who, taskset, pmap.
 sed -i '/"--instafail"/d; /"-p instafail"/d' pyproject.toml
 %if %{without xdist}
 sed -i '/"-p xdist"/d' pyproject.toml
+sed -i '/@pytest\.mark\.xdist_group/d' tests/test_*.py
 %endif
 
 # Remove shebangs