remove prompt setting for /bin/sh

shrc

@@ -1227,7 +1227,8 @@ then
 ${__my_c4}:: ${__my_cdef}[${__my_c2}\u@\H${__my_cdef}:${__my_c1}\w/${__my_cdef}]\$(__my_ps1_info)\n\
 ${__my_c4}:: ${__my_cdef}\D{%Y/%m/%d %H:%M} \$(__my_ps1_jobs \j)${__my_ps1_str}\$(__my_alert_fail)${__my_ps1_right}\$ "
 else
-    PS1="$(printf $(whoami)@$(hostname)\n$ )"
+    true
+    # PS1="$(printf $(whoami)@$(hostname)$ )"
 fi
 
 __my_set_header_line(){