Remove support for -webkit-line-clamp

Source/core/rendering/RenderBlock.cpp

Index: Source/core/rendering/RenderBlock.cpp
diff --git a/Source/core/rendering/RenderBlock.cpp b/Source/core/rendering/RenderBlock.cpp
index 24f3f026f6c14b1e10536b4590f4c9f3dfa0b941..f9bb965ef3ef956ac69dd1fa0978788b3f485859 100644
--- a/Source/core/rendering/RenderBlock.cpp
+++ b/Source/core/rendering/RenderBlock.cpp
@@ -5493,16 +5493,6 @@ int RenderBlock::baselinePosition(FontBaseline baselineType, bool firstLine, Lin
 
         int baselinePos = ignoreBaseline ? -1 : inlineBlockBaseline(direction);
 
-        if (isDeprecatedFlexibleBox()) {
-            // Historically, we did this check for all baselines. But we can't
-            // remove this code from deprecated flexbox, because it effectively
-            // breaks -webkit-line-clamp, which is used in the wild -- we would
-            // calculate the baseline as if -webkit-line-clamp wasn't used.
-            // For simplicity, we use this for all uses of deprecated flexbox.
-            LayoutUnit bottomOfContent = direction == HorizontalLine ? borderTop() + paddingTop() + contentHeight() : borderRight() + paddingRight() + contentWidth();
-            if (baselinePos > bottomOfContent)
-                baselinePos = -1;
-        }
         if (baselinePos != -1)
             return direction == HorizontalLine ? marginTop() + baselinePos : marginRight() + baselinePos;