Revert "Mark audits2-successful-run.js timeout on Linux MSAN"

This reverts commit b791621b.

Reason for revert: <INSERT REASONING HERE>
There is another one here that does the same thing:
https://chromium-review.googlesource.com/c/chromium/src/+/850353

Original change's description:
> Mark audits2-successful-run.js timeout on Linux MSAN
> 
> TBR=battre@chromium.org
> NOTRY=true
> 
> Bug: 680917
> Change-Id: Ib7d69027cd72f6a5c56cb4d6a637417f901f4d3d
> Reviewed-on: https://chromium-review.googlesource.com/850712
> Reviewed-by: Xida Chen <xidachen@chromium.org>
> Commit-Queue: Xida Chen <xidachen@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#526983}

TBR=battre@chromium.org,xidachen@chromium.org

Change-Id: Ida54871284e8276d1ad6729969db765ec1d6c6b2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 680917
Reviewed-on: https://chromium-review.googlesource.com/850533Reviewed-by: Xida Chen <xidachen@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526985}

third_party/WebKit/LayoutTests/MSANExpectations

@@ -45,8 +45,6 @@ crbug.com/736370 [ Linux ] external/wpt/editing/run/removeformat.html [ Timeout
 crbug.com/736554 [ Linux ] external/wpt/IndexedDB/nested-cloning-large-multiple.html [ Timeout ]
 crbug.com/736554 [ Linux ] virtual/mojo-blobs/external/wpt/IndexedDB/nested-cloning-large-multiple.html [ Timeout ]
 
-crbug.com/680917 [ Linux ] http/tests/devtools/audits2/audits2-successful-run.js [ Timeout ]
-
 # Intentionally failed allocations, via partitionAllocGenericFlags()
 crbug.com/577889 [ Linux ] fast/js/typed-array-allocation-failure.html [ Crash ]