Remove GYP files in breakpad, build, and tools.

These are now unused.

Review-Url: https://codereview.chromium.org/2331893004
Cr-Original-Commit-Position: refs/heads/master@{#418010}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 8c0eb8ed764590108f0278e5bbbddec3fc14b522
4 files changed