Removed old debugging code used to track down process creation failure. This patch removes some old debug code which isn't needed anymore due to changes on how the sandbox reports errors when creating a process.
Removed old debugging code used to track down process creation failure.
This patch removes some old debug code which isn't needed anymore due
to changes on how the sandbox reports errors when creating a process.

BUG=526198

Review-Url: https://codereview.chromium.org/1953243002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#392102}

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