Hardcode AbsolutePercentageAgainstPaddingEdge experimental feature to false (#1549)

Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1549

X-link: https://github.com/facebook/react-native/pull/42253

This experimental feature is always false, and with the next diff I will be deleting the branch that actually calls into this. Separating this diff out to simplify the review process.

Reviewed By: NickGerleman

Differential Revision: D52705765

fbshipit-source-id: 705f4aa297eae730af9b44753eb01c9dec385dcf

yoga/algorithm/AbsoluteLayout.cpp

@@ -178,21 +178,6 @@ static void positionAbsoluteChildLegacy(
         (parent->getLayout().measuredDimension(dimension(axis)) -
          child->getLayout().measuredDimension(dimension(axis))),
         flexStartEdge(axis));
-  } else if (
-      parent->getConfig()->isExperimentalFeatureEnabled(
-          ExperimentalFeature::AbsolutePercentageAgainstPaddingEdge) &&
-      child->isFlexStartPositionDefined(axis, direction)) {
-    child->setLayoutPosition(
-        child->getFlexStartPosition(
-            axis,
-            direction,
-            containingNode->getLayout().measuredDimension(dimension(axis))) +
-            containingNode->getFlexStartBorder(axis, direction) +
-            child->getFlexStartMargin(
-                axis,
-                direction,
-                isAxisRow ? containingBlockWidth : containingBlockHeight),
-        flexStartEdge(axis));
   }
 }
 

yoga/algorithm/CalculateLayout.cpp

@@ -2048,20 +2048,13 @@ static void calculateLayoutImpl(
             child->getStyle().positionType() != PositionType::Absolute) {
           continue;
         }
-        const bool absolutePercentageAgainstPaddingEdge =
-            node->getConfig()->isExperimentalFeatureEnabled(
-                ExperimentalFeature::AbsolutePercentageAgainstPaddingEdge);
 
         layoutAbsoluteChild(
             node,
             node,
             child,
-            absolutePercentageAgainstPaddingEdge
-                ? node->getLayout().measuredDimension(Dimension::Width)
-                : availableInnerWidth,
-            absolutePercentageAgainstPaddingEdge
-                ? node->getLayout().measuredDimension(Dimension::Height)
-                : availableInnerHeight,
+            availableInnerWidth,
+            availableInnerHeight,
             isMainAxisRow ? sizingModeMainDim : sizingModeCrossDim,
             direction,
             layoutMarkerData,