Reenable Retina virtual/text-antialias/emoticons.html

Retina now seems to be rendering the same as mac10.13.

Bug: 1092813
Change-Id: I9cfd187aa111a0aa74a4b5c45ea4da6f52d24bb4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2237435
Auto-Submit: Joel Hockey <joelhockey@chromium.org>
Reviewed-by: Marc Treib <treib@chromium.org>
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#776857}

third_party/blink/web_tests/TestExpectations

@@ -6745,7 +6745,6 @@ crbug.com/1092721 external/wpt/webrtc/RTCPeerConnection-getStats.https.html [ Pa
 crbug.com/1091843 fast/canvas/color-space/canvas-createImageBitmap-p3.html [ Pass Failure ]
 
 # Sheriff 2020-06-09
-crbug.com/1092813 [ Retina ] virtual/text-antialias/emoticons.html [ Pass Failure ]
 crbug.com/1090180 virtual/gpu/fast/canvas/canvas-gpu-consistency.html [ Failure ]
 crbug.com/1093003 [ Mac ] external/wpt/html/rendering/replaced-elements/embedded-content/cross-domain-iframe.sub.html [ Pass Failure ]