Cleanup after enabling all slimming paint for all layout tests

LayoutTests/platform/mac/virtual/slimmingpaint/compositing/direct-image-compositing-expected.txt

Index: LayoutTests/platform/mac/virtual/slimmingpaint/compositing/direct-image-compositing-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/slimmingpaint/compositing/direct-image-compositing-expected.txt b/LayoutTests/platform/mac/virtual/slimmingpaint/compositing/direct-image-compositing-expected.txt
deleted file mode 100644
index 7478e53c40d7de77d2dc8174386a316d81ee9623..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/mac/virtual/slimmingpaint/compositing/direct-image-compositing-expected.txt
+++ /dev/null
@@ -1,69 +0,0 @@
-layer at (0,0) size 800x600 clip at (0,0) size 785x600 scrollHeight 750
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 785x750 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600
-  LayoutBlockFlow {HTML} at (0,0) size 785x749.88
-    LayoutBlockFlow {BODY} at (8,21.44) size 769x112.44
-      LayoutBlockFlow {H1} at (0,0) size 769x37
-        LayoutText {#text} at (0,0) size 389x37
-          text run at (0,0) width 389: "Image optimisation in layers"
-      LayoutBlockFlow {P} at (0,58.44) size 769x54
-        LayoutText {#text} at (0,0) size 754x54
-          text run at (0,0) width 610: "This test exercises direct compositing of images with hardware acceleration. The visual results "
-          text run at (609,0) width 36: "using"
-          text run at (0,18) width 686: "ACCELERATED_COMPOSITING and regular TOT should be identical. Running this test manually with "
-          text run at (685,18) width 69: "the correct"
-          text run at (0,36) width 451: "debug options will show which elements are directly composited. See "
-        LayoutInline {A} at (0,0) size 311x18 [color=#0000EE]
-          LayoutText {#text} at (450,36) size 311x18
-            text run at (450,36) width 311: "https://bugs.webkit.org/show_bug.cgi?id=23361"
-        LayoutText {#text} at (0,0) size 0x0
-      LayoutBlockFlow (floating) {DIV} at (0,128.44) size 260x200
-        LayoutText {#text} at (150,0) size 108x72
-          text run at (150,0) width 108: "Basic image - no"
-          text run at (150,18) width 85: "style - can be"
-          text run at (150,36) width 49: "directly"
-          text run at (150,54) width 74: "composited"
-      LayoutBlockFlow (floating) {DIV} at (260,128.44) size 260x200
-        LayoutText {#text} at (160,0) size 78x90
-          text run at (160,0) width 56: "5px blue"
-          text run at (160,18) width 78: "border - can"
-          text run at (160,36) width 52: "NOT be"
-          text run at (160,54) width 49: "directly"
-          text run at (160,72) width 74: "composited"
-      LayoutBlockFlow (floating) {DIV} at (0,328.44) size 260x200
-        LayoutText {#text} at (160,0) size 81x72
-          text run at (160,0) width 81: "margin - can"
-          text run at (160,18) width 52: "NOT be"
-          text run at (160,36) width 49: "directly"
-          text run at (160,54) width 74: "composited"
-      LayoutBlockFlow (floating) {DIV} at (260,328.44) size 260x200
-        LayoutText {#text} at (150,0) size 95x72
-          text run at (150,0) width 32: "solid"
-          text run at (150,18) width 85: "background -"
-          text run at (150,36) width 95: "can be directly"
-          text run at (150,54) width 74: "composited"
-      LayoutBlockFlow (floating) {DIV} at (0,528.44) size 260x200
-        LayoutText {#text} at (150,0) size 105x72
-          text run at (150,0) width 76: "background"
-          text run at (150,18) width 75: "image - can"
-          text run at (150,36) width 105: "NOT be directly"
-          text run at (150,54) width 74: "composited"
-      LayoutBlockFlow (floating) {DIV} at (260,528.44) size 260x200
-        LayoutText {#text} at (150,0) size 85x90
-          text run at (150,0) width 69: "rotated but"
-          text run at (150,18) width 83: "otherwise no"
-          text run at (150,36) width 85: "style - can be"
-          text run at (150,54) width 49: "directly"
-          text run at (150,72) width 74: "composited"
-layer at (8,150) size 150x150
-  LayoutImage (floating) {IMG} at (0,0) size 150x150
-layer at (268,150) size 160x160
-  LayoutImage (floating) {IMG} at (0,0) size 160x160 [border: (5px solid #0000FF)]
-layer at (13,355) size 150x150
-  LayoutImage (floating) {IMG} at (5,5) size 150x150
-layer at (268,350) size 150x150
-  LayoutImage (floating) {IMG} at (0,0) size 150x150 [bgcolor=#808080]
-layer at (8,550) size 150x150 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600
-  LayoutImage (floating) {IMG} at (0,0) size 150x150 [bgcolor=#FFA500]
-layer at (268,550) size 150x150 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600
-  LayoutImage (floating) {IMG} at (0,0) size 150x150