Moving $OUT/vendor-ramdisk-debug.cpio.lz4 to intermediate dir

Therefore, no need to remove vendor-ramdisk-debug.cpio.lz4
for installclean as it will not be installed to $OUT dir.

Bug: None
Test: make vendorbootimage_debug
Change-Id: Ib7fb9931c55a9bb24e5ca8c4a80bd72f7233c57f
diff --git a/ui/build/cleanbuild.go b/ui/build/cleanbuild.go
index 06f6c63..3c4c51d 100644
--- a/ui/build/cleanbuild.go
+++ b/ui/build/cleanbuild.go
@@ -124,7 +124,6 @@
 		productOut("ramdisk"),
 		productOut("debug_ramdisk"),
 		productOut("vendor-ramdisk"),
-		productOut("vendor-ramdisk-debug.cpio.gz"),
 		productOut("vendor_debug_ramdisk"),
 		productOut("test_harness_ramdisk"),
 		productOut("recovery"),