Remove stale Blink expectations

Autogenerated CL from running:

//third_party/blink/tools/remove_stale_expectations.py --project chrome-unexpected-pass-data --no-include-internal-builders --remove-stale-expectations --narrow-semi-stale-expectation-scope --large-query-mode --num-samples 200 --jobs 2

Affected bugs for CL description:

R=rubber-stamper@appspot.gserviceaccount.com

Bug: 1044414, 1071189, 1091716, 1142877, 1249176
Bug: 1300811, 1353578, 24182, 331186, 357427
Bug: 402379, 451577, 520611, 524160, 564109
Bug: 606649, 626703, 678346, 722825, 729136
Bug: 783154, 853360, 863599, 874695, 914981
Bug: 942951, 952717, 971319, 981303
Change-Id: Ic905f37f7b00628a186ffb1b8212f57e818f1eb6
Fixed: 1173439, 1256770
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4239617
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: chromium-automated-expectation@chops-service-accounts.iam.gserviceaccount.com <chromium-automated-expectation@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1103804}

third_party/blink/web_tests/MSANExpectations

@@ -35,7 +35,6 @@ crbug.com/555703 [ Linux ] virtual/media-gpu-accelerated/* [ Skip ]
 # These tests are just a tad bit too slow on MSAN bots and time out. Setting
 # them as "Slow" doesn't seem to help the problem (see discussion on bug), so
 # marking them as "Timeout" while crbug.com/729136 is worked out.
-crbug.com/729136 [ Linux ] fast/css/css-selector-deeply-nested.html [ Timeout ]
 crbug.com/1400717 [ Linux ] webexposed/element-instance-property-listing.html [ Timeout ]
 
 # Tests timing out on WebKit Linux Trusty MSAN