[devtools] Don't mix colors into the list-style suggestions.

Bug: chromium:983154
Change-Id: I96ba310f22e350cfc8ff14be7efda9300d941b01
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1806575Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697095}

third_party/blink/renderer/devtools/front_end/sdk/CSSMetadata.js

@@ -403,7 +403,6 @@ SDK.CSSMetadata._colorAwareProperties = new Set([
   'column-rule',
   'column-rule-color',
   'fill',
-  'list-style',
   'list-style-image',
   'outline',
   'outline-color',