Remove page-break properties and captions

sky/engine/core/rendering/style/RenderStyleConstants.h

Index: sky/engine/core/rendering/style/RenderStyleConstants.h
diff --git a/sky/engine/core/rendering/style/RenderStyleConstants.h b/sky/engine/core/rendering/style/RenderStyleConstants.h
index fde9a78c00932b3913c1d2105a253187a86c4514..84aca45abca38cf78305fc9c21560b2eaa22437c 100644
--- a/sky/engine/core/rendering/style/RenderStyleConstants.h
+++ b/sky/engine/core/rendering/style/RenderStyleConstants.h
@@ -195,18 +195,10 @@ enum TextUnderlinePosition {
     TextUnderlinePositionUnder
 };
 
-enum EPageBreak {
-    PBAUTO, PBALWAYS, PBAVOID
-};
-
 enum EEmptyCell {
     SHOW, HIDE
 };
 
-enum ECaptionSide {
-    CAPTOP, CAPBOTTOM, CAPLEFT, CAPRIGHT
-};
-
 enum EVisibility { VISIBLE, HIDDEN, COLLAPSE };
 
 // The order of this enum must match the order of the display values in CSSValueKeywords.in.