Remove GYP files.

This removes all .gyp files not called "compiled_resources" in the main Chromium repository.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.win:win10_chromium_x64_rel_ng

Review-Url: https://codereview.chromium.org/2332843004
Cr-Original-Commit-Position: refs/heads/master@{#418654}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 315e4cfd4b1a120c3e2b28812afc5dbdc292bebe