kernel: cuimage: remove overzealous cleanups of linux.bin

Change-Id: I9f8dc971198f3d649d92b41739d8fe7274d8a45a
Signed-off-by: Rick Altherr <raltherr@google.com>
diff --git a/meta-phosphor/classes/kernel-cuimage.bbclass b/meta-phosphor/classes/kernel-cuimage.bbclass
index 4f0e38b..871bee3 100644
--- a/meta-phosphor/classes/kernel-cuimage.bbclass
+++ b/meta-phosphor/classes/kernel-cuimage.bbclass
@@ -39,7 +39,6 @@
 			fi
 
 			uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C "${linux_comp}" -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux-dts.bin arch/${ARCH}/boot/cuImage
-			rm -f linux.bin linux-dts.bin
 		fi
 	fi
 }