mcreboot: Fix umask for /proc and /sys files

arch/x86_64/tools/mcoverlay-create-smp-x86.sh.in

@@ -35,7 +35,6 @@ error_exit() {
 		;&
 	tmp_mcos_created)
 		if [ "$enable_mcoverlay" == "yes" ]; then
-		    umask $umask_old
 			rm -rf /tmp/mcos
 		fi
 		;&
@@ -48,10 +47,6 @@ error_exit() {
 }
 fi
 
-# Change umask for /proc and /sys files 
-umask_dec=$(( 8#${umask_old} & 8#0002 ))
-umask 0`printf "%o" ${umask_dec}`
-
 if [ ! -e /tmp/mcos ]; then 
     mkdir -p /tmp/mcos; 
 fi
@@ -149,7 +144,3 @@ for cpuid in `find /sys/bus/cpu/devices/* -maxdepth 0 -name "cpu[0123456789]*" -
 	rm -rf /tmp/mcos/mcos0_sys/bus/cpu/devices/$cpuid
     fi
 done
-
-# Restore umask
-umask ${umask_old}
-