GitLab

Remove //components/proximity_auth/remote_device.h. It was supposed to have been removed in https://codereview.chromium.org/2560713002.

BUG=672263

TBR=tengs@chromium.org

Review-Url: https://codereview.chromium.org/2586983003
Cr-Commit-Position: refs/heads/master@{#439515}