Don't need additional header

src/freedombone-image-make

 sed -i "s|INSECURE=.*|INSECURE=\"${INSECURE}\"|g" $TEMP_CUSTOMISE3
 sed -i 's|#!/bin/bash||g' $TEMP_CUSTOMISE3
 
-echo "#!/bin/bash" > $TEMP_CUSTOMISE4
-cat $TEMP_CUSTOMISE2 $TEMP_CUSTOMISE3 >> $TEMP_CUSTOMISE4
+cat $TEMP_CUSTOMISE2 $TEMP_CUSTOMISE3 > $TEMP_CUSTOMISE4
 if [ -f $TEMP_CUSTOMISE ]; then
 	sudo rm $TEMP_CUSTOMISE
 fi