Fixup f8d1e3eb: do not use "cut".

dracut.module/90metadata-collect/collect.sh

@@ -4,7 +4,7 @@
 
 source $NEWROOT/etc/rapid.space/get-network.sh
 SLAPOS_CFG_FILE="$NEWROOT"/etc/opt/slapos/slapos.cfg
-WENDELIN_REFERENCE=$(sed -n '/computer_id = /p' "$SLAPOS_CFG_FILE" | cut -d' ' -f3)
+WENDELIN_REFERENCE=$(sed -n '/computer_id = /p' /etc/opt/slapos/slapos.cfg | sed 's/computer_id = \(.*\)/\1/g')
 SCAN_FILE=/var/log/metadata_collect.log
 sed -i "s|%SCAN_FILE%|$SCAN_FILE|g;s/%WENDELIN_REFERENCE%/$WENDELIN_REFERENCE/g;s/%NEWROOT%/$NEWROOT/g" /etc/flb.conf