Remove SVGFilterElement's filterRes* attributes and setFilterRes()

LayoutTests/svg/filters/filterRes3-expected.txt

Index: LayoutTests/svg/filters/filterRes3-expected.txt
diff --git a/LayoutTests/svg/filters/filterRes3-expected.txt b/LayoutTests/svg/filters/filterRes3-expected.txt
deleted file mode 100644
index 739d905d1fab3c3777a03bcab13c4916cc53a34c..0000000000000000000000000000000000000000
--- a/LayoutTests/svg/filters/filterRes3-expected.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (10,10) size 400x120
-    LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGResourceFilter {filter} [id="f1"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
-        [feFlood flood-color="#008000" flood-opacity="1.00"]
-      LayoutSVGResourceFilter {filter} [id="f2"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
-        [feFlood flood-color="#008000" flood-opacity="1.00"]
-      LayoutSVGResourceFilter {filter} [id="f3"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
-        [feFlood flood-color="#008000" flood-opacity="1.00"]
-    LayoutSVGRect {rect} at (10,10) size 120x120 [fill={[type=SOLID] [color=#000000]}] [x=20.00] [y=20.00] [width=100.00] [height=100.00]
-      [filter="f1"] LayoutSVGResourceFilter {filter} at (10,10) size 120x120
-    LayoutSVGRect {rect} at (150,10) size 120x120 [fill={[type=SOLID] [color=#000000]}] [x=160.00] [y=20.00] [width=100.00] [height=100.00]
-      [filter="f2"] LayoutSVGResourceFilter {filter} at (150,10) size 120x120
-    LayoutSVGRect {rect} at (290,10) size 120x120 [fill={[type=SOLID] [color=#000000]}] [x=300.00] [y=20.00] [width=100.00] [height=100.00]
-      [filter="f3"] LayoutSVGResourceFilter {filter} at (290,10) size 120x120