Revert of [ObjC ARC] Converts ios/web:ios_web_inttests to ARC. (patchset #1 id:1 of https://codereview.chromium.org/2935683002/ )

Reason for revert:
Breaks tree?

Original issue's description:
> [ObjC ARC] Converts ios/web:ios_web_inttests to ARC.
>
> Automatically generated ARCMigrate commit
> Notable issues:None
> BUG=624363
> TEST=None
>
> Review-Url: https://codereview.chromium.org/2935683002
> Cr-Commit-Position: refs/heads/master@{#478635}
> Committed: https://chromium.googlesource.com/chromium/src/+/dac067a438e47907c38ea2093083f8e7678477b8

TBR=stkhapugin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=624363

Review-Url: https://codereview.chromium.org/2934053002
Cr-Commit-Position: refs/heads/master@{#478952}
3 files changed