tree 3cf4c0d715da8bdb0a39b8b4eb53791f23c246ec
parent 85d7cece2e1f73b30c9b8f396cfeb7bf20e94659
author Ying Wang <wangying@google.com> 1336419392 -0700
committer Ying Wang <wangying@google.com> 1336419392 -0700

Remove dup header rules.

This fixes the build warning:
build/core/copy_headers.mk:15: warning: overriding commands for target
`out/host/linux-x86/obj/include/libexpat/expat.h'
build/core/copy_headers.mk:15: warning: ignoring old commands for target
`out/host/linux-x86/obj/include/libexpat/expat.h'
build/core/copy_headers.mk:15: warning: overriding commands for target
`out/host/linux-x86/obj/include/libexpat/expat_external.h'
build/core/copy_headers.mk:15: warning: ignoring old commands for target
`out/host/linux-x86/obj/include/libexpat/expat_external.h'

Change-Id: Ifa754483a4aa066f2d5f03e64b9a95e1643c0390