update case xdsh_regular_command to remove XCATBYPASS

xCAT-test/autotest/testcase/xdsh/cases0

@@ -13,7 +13,7 @@ end
 
 start:xdsh_regular_command
 label:cn_os_ready,parallel_cmds
-cmd:servicenode=`lsdef $$CN |grep servicenode |awk -F= '{print $2}'`; if [ -n "$servicenode" ]; then xdsh $$CN "ps -ef";else XCATBYPASS=1 xdsh $$CN "ps -ef";fi
+cmd:xdsh $$CN "ps -ef"
 check:rc==0
 check:output=~$$CN:\s+UID\s+PID\s+PPID\s+C\s+STIME\s+TTY\s+TIME\s+CMD
 end