x86: image: drop duplicated copy of bzImage into vmlinuz

It's already done once few lines earlier in the Image/Build/iso.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

target/linux/x86/image/Makefile

@@ -120,7 +120,6 @@ define Image/Build/iso
 		-e 's#@CMDLINE@#root=/dev/sr0 rootfstype=iso9660 rootwait $(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \
 		-e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
 		./grub-iso.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg
-	$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
 	mkisofs -R -b boot/grub/eltorito.img -no-emul-boot -boot-info-table \
 		-o $(KDIR)/root.iso $(KDIR)/root.grub $(TARGET_DIR)
 endef