Delete third_party/hwcplus/

This library was added for a WontFix'ed bug, presumably it can
be removed now.

BUG=361139

Review-Url: https://codereview.chromium.org/2643643008
Cr-Original-Commit-Position: refs/heads/master@{#445103}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 3aea611dd2dd9a13e5d666e01477aaf8c508e8fa
19 files changed
tree: 4b825dc642cb6eb9a060e54bf8d69288fbee4904

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