Revert "Add DumpWithoutCrashing and crash keys to get more context"

This reverts commit 0e6e9faae9e11de8684440b128e75569b98c7553.

TBR=kmarshall@chromium.org
BUG=600441
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation

Review-Url: https://codereview.chromium.org/1957553002
Cr-Commit-Position: refs/heads/master@{#392085}
5 files changed