Remove SVG1.1 kerning property

Source/core/svg/SVGElement.cpp

Index: Source/core/svg/SVGElement.cpp
diff --git a/Source/core/svg/SVGElement.cpp b/Source/core/svg/SVGElement.cpp
index fdfd69b08660c578cce3ca5d218f0c6adb573abf..e52dce80ad3425d3b0d010aac983358e685de26c 100644
--- a/Source/core/svg/SVGElement.cpp
+++ b/Source/core/svg/SVGElement.cpp
@@ -388,7 +388,6 @@ CSSPropertyID SVGElement::cssPropertyIdForSVGAttributeName(const QualifiedName&
         mapAttributeToCSSProperty(propertyNameToIdMap, glyph_orientation_horizontalAttr);
         mapAttributeToCSSProperty(propertyNameToIdMap, glyph_orientation_verticalAttr);
         mapAttributeToCSSProperty(propertyNameToIdMap, image_renderingAttr);
-        mapAttributeToCSSProperty(propertyNameToIdMap, kerningAttr);
         mapAttributeToCSSProperty(propertyNameToIdMap, letter_spacingAttr);
         mapAttributeToCSSProperty(propertyNameToIdMap, lighting_colorAttr);
         mapAttributeToCSSProperty(propertyNameToIdMap, marker_endAttr);
@@ -663,7 +662,6 @@ AnimatedPropertyType SVGElement::animatedPropertyTypeForCSSAttribute(const Quali
         cssPropertyMap.set(font_variantAttr, AnimatedString);
         cssPropertyMap.set(font_weightAttr, AnimatedString);
         cssPropertyMap.set(image_renderingAttr, AnimatedString);
-        cssPropertyMap.set(kerningAttr, AnimatedLength);
         cssPropertyMap.set(letter_spacingAttr, AnimatedLength);
         cssPropertyMap.set(lighting_colorAttr, AnimatedColor);
         cssPropertyMap.set(marker_endAttr, AnimatedString);