Remove lingering -webkit-svg-shadow tests

third_party/WebKit/LayoutTests/svg/filters/shadow-on-filter-expected.txt

Index: third_party/WebKit/LayoutTests/svg/filters/shadow-on-filter-expected.txt
diff --git a/third_party/WebKit/LayoutTests/svg/filters/shadow-on-filter-expected.txt b/third_party/WebKit/LayoutTests/svg/filters/shadow-on-filter-expected.txt
deleted file mode 100644
index 7ac4b9bffa57a164c91bd18d349897a883b4c777..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/svg/filters/shadow-on-filter-expected.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (50,50) size 480x480
-    LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGResourceFilter {filter} [id="filter"] [filterUnits=objectBoundingBox] [primitiveUnits=objectBoundingBox]
-        [feGaussianBlur stdDeviation="0.01, 0.01"]
-          [feComposite operation="OVER"]
-            [feFlood flood-color="#FF0000" flood-opacity="1.00"]
-            [feFlood flood-color="#008000" flood-opacity="1.00"]
-    LayoutSVGRect {rect} at (50,50) size 480x480 [fill={[type=SOLID] [color=#008000]}] [x=200.00] [y=200.00] [width=300.00] [height=300.00]
-      [filter="filter"] LayoutSVGResourceFilter {filter} at (50,50) size 480x480