Remove TODO in svg_fe_convolve_matrix_element.idl

It was resolved in https://github.com/w3c/fxtf-drafts/issues/114 to keep
this attribute.

Bug: 695977
Change-Id: I77a2cea341483d6ce337b314cd6597ec089c07eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1499565
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Cr-Commit-Position: refs/heads/master@{#637370}
diff --git a/third_party/blink/renderer/core/svg/svg_fe_convolve_matrix_element.idl b/third_party/blink/renderer/core/svg/svg_fe_convolve_matrix_element.idl
index d2a4737..e628d4a 100644
--- a/third_party/blink/renderer/core/svg/svg_fe_convolve_matrix_element.idl
+++ b/third_party/blink/renderer/core/svg/svg_fe_convolve_matrix_element.idl
@@ -45,10 +45,6 @@
     [MeasureAs=SVG1DOMFilter] readonly attribute SVGAnimatedEnumeration edgeMode;
     [MeasureAs=SVG1DOMFilter] readonly attribute SVGAnimatedNumber kernelUnitLengthX;
     [MeasureAs=SVG1DOMFilter] readonly attribute SVGAnimatedNumber kernelUnitLengthY;
-
-    // TODO(foolip): The following was part of SVG 1.1. https://crbug.com/695977
-    // http://www.w3.org/TR/SVG11/filters.html#InterfaceSVGFEConvolveMatrixElement
-    // https://github.com/w3c/fxtf-drafts/issues/114
     [Measure] readonly attribute SVGAnimatedBoolean preserveAlpha;
 };