!165 修复cephadm卸载过程中的异常信息打印

From: @wangzengliang1 
Reviewed-by: @liuqinfei 
Signed-off-by: @liuqinfei

ceph.spec

@@ -125,7 +125,7 @@
 #################################################################################
 Name:		ceph
 Version:	16.2.7
-Release:	14
+Release:	15
 %if 0%{?fedora} || 0%{?rhel} || 0%{?openEuler}
 Epoch:		2
 %endif
@@ -1557,8 +1557,7 @@ exit 0
 
 %if ! 0%{?suse_version}
 %postun -n cephadm
-userdel -r cephadm || true
-exit 0
+[$1 -ne 0] || userdel  cephadm || :
 %endif
 
 %files -n cephadm
@@ -2501,6 +2500,9 @@ exit 0
 %config %{_sysconfdir}/prometheus/ceph/ceph_default_alerts.yml
 
 %changelog
+* Tue Feb 14 2023 wangzengliang<wangzengliang2@huawei.com> - 2:16.2.7-15
+- fix error for uninstall cephadm
+
 * Thu Jan 12 2023 Wenlong Zhang<zhangwenlong@loongson.cn> - 2:16.2.7-14
 - add loongarch support for ceph