Remove Backslash-as-JPY hack

Source/core/rendering/RenderImage.cpp

Index: Source/core/rendering/RenderImage.cpp
diff --git a/Source/core/rendering/RenderImage.cpp b/Source/core/rendering/RenderImage.cpp
index 220591454d98302467e56f6170bf343a70fb6511..40b70c94bd73696bfec5dcbdc087012f1df3decd 100644
--- a/Source/core/rendering/RenderImage.cpp
+++ b/Source/core/rendering/RenderImage.cpp
@@ -348,7 +348,6 @@ void RenderImage::paintReplaced(PaintInfo& paintInfo, const LayoutPoint& paintOf
             }
 
             if (!m_altText.isEmpty()) {
-                String text = document().displayStringModifiedByEncoding(m_altText);
                 const Font& font = style()->font();
                 const FontMetrics& fontMetrics = font.fontMetrics();
                 LayoutUnit ascent = fontMetrics.ascent();
@@ -358,7 +357,7 @@ void RenderImage::paintReplaced(PaintInfo& paintInfo, const LayoutPoint& paintOf
 
                 // Only draw the alt text if it'll fit within the content box,
                 // and only if it fits above the error image.
-                TextRun textRun = RenderBlock::constructTextRun(this, font, text, style());
+                TextRun textRun = RenderBlock::constructTextRun(this, font, m_altText, style());
                 LayoutUnit textWidth = font.width(textRun);
                 TextRunPaintInfo textRunPaintInfo(textRun);
                 textRunPaintInfo.bounds = FloatRect(textRectOrigin, FloatSize(textWidth, fontMetrics.height()));