platform/x86: think-lmi: Fix sysfs group cleanup

platform/x86: think-lmi: Fix sysfs group cleanup

Many error paths in tlmi_sysfs_init() lead to sysfs groups being removed
when they were not even created.

Fix this by letting the kobject core manage these groups through their
kobj_type's defult_groups.

Fixes: a40cd7ef22fb ("platform/x86: think-lmi: Add WMI interface support on Lenovo platforms")
Cc: stable@vger.kernel.org
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250630-lmi-fix-v3-3-ce4f81c9c481@gmail.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>