[Nit] Removing traces of lazy-block implementation from BisonCSSParser-in.cpp

Source/core/css/parser/BisonCSSParser-in.cpp

Index: Source/core/css/parser/BisonCSSParser-in.cpp
diff --git a/Source/core/css/parser/BisonCSSParser-in.cpp b/Source/core/css/parser/BisonCSSParser-in.cpp
index 1edefa1cbfba8518aed38cad616fbd625ee96285..89d21d4bf34d8b59f4e99ad211f7295b5b6a872e 100644
--- a/Source/core/css/parser/BisonCSSParser-in.cpp
+++ b/Source/core/css/parser/BisonCSSParser-in.cpp
@@ -388,7 +388,7 @@ bool isValidKeywordPropertyAndValue(CSSPropertyID propertyId, CSSValueID valueID
         // inline | block | list-item | inline-block | table |
         // inline-table | table-row-group | table-header-group | table-footer-group | table-row |
         // table-column-group | table-column | table-cell | table-caption | -webkit-box | -webkit-inline-box | none
-        // flex | inline-flex | -webkit-flex | -webkit-inline-flex | grid | inline-grid | lazy-block
+        // flex | inline-flex | -webkit-flex | -webkit-inline-flex | grid | inline-grid
         return (valueID >= CSSValueInline && valueID <= CSSValueInlineFlex) || valueID == CSSValueWebkitFlex || valueID == CSSValueWebkitInlineFlex || valueID == CSSValueNone
             || (RuntimeEnabledFeatures::cssGridLayoutEnabled() && (valueID == CSSValueGrid || valueID == CSSValueInlineGrid));
     case CSSPropertyEmptyCells: // show | hide