Remove some straggling zoom-related code.

sky/engine/core/css/parser/CSSPropertyParser.cpp

Index: sky/engine/core/css/parser/CSSPropertyParser.cpp
diff --git a/sky/engine/core/css/parser/CSSPropertyParser.cpp b/sky/engine/core/css/parser/CSSPropertyParser.cpp
index a38112608fc9d7ee1a954b2af1c67acbcee1f221..a2b5386a53d6203114b98ee4b79c9092803aaa43 100644
--- a/sky/engine/core/css/parser/CSSPropertyParser.cpp
+++ b/sky/engine/core/css/parser/CSSPropertyParser.cpp
@@ -6091,11 +6091,11 @@ bool CSSPropertyParser::parseViewportProperty(CSSPropertyID propId, bool importa
     bool validPrimitive = false;
 
     switch (propId) {
-    case CSSPropertyMinWidth: // auto | extend-to-zoom | <length> | <percentage>
+    case CSSPropertyMinWidth: // auto | <length> | <percentage>
     case CSSPropertyMaxWidth:
     case CSSPropertyMinHeight:
     case CSSPropertyMaxHeight:
-        if (id == CSSValueAuto || id == CSSValueInternalExtendToZoom)
+        if (id == CSSValueAuto)
             validPrimitive = true;
         else
             validPrimitive = (!id && validUnit(value, FLength | FPercent | FNonNeg));