Remove virtual/softwarecompositing suite

LayoutTests/platform/linux/virtual/softwarecompositing/layer-creation/no-compositing-for-preserve-3d-expected.txt

Index: LayoutTests/platform/linux/virtual/softwarecompositing/layer-creation/no-compositing-for-preserve-3d-expected.txt
diff --git a/LayoutTests/platform/linux/virtual/softwarecompositing/layer-creation/no-compositing-for-preserve-3d-expected.txt b/LayoutTests/platform/linux/virtual/softwarecompositing/layer-creation/no-compositing-for-preserve-3d-expected.txt
deleted file mode 100644
index 31488501f823d530a3094a06f2241473b1bc5afd..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/linux/virtual/softwarecompositing/layer-creation/no-compositing-for-preserve-3d-expected.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-This layer should not be composited.
-This layer should not be composited.
-This layer should be composited.
-{
-  "bounds": [785, 618],
-  "children": [
-    {
-      "bounds": [785, 618],
-      "contentsOpaque": true,
-      "drawsContent": true,
-      "children": [
-        {
-          "position": [18, 394],
-          "bounds": [342, 182],
-          "shouldFlattenTransform": false,
-          "3dRenderingContext": 1,
-          "drawsContent": true,
-          "children": [
-            {
-              "position": [31, 51],
-              "bounds": [100, 100],
-              "contentsOpaque": true,
-              "3dRenderingContext": 1,
-              "drawsContent": true,
-              "backgroundColor": "#C0C0C0",
-              "transform": [
-                [0.984807753012208, 0, -0.17364817766693, 0],
-                [0, 1, 0, 0],
-                [0.17364817766693, 0, 0.984807753012208, 0],
-                [0, 0, 0, 1]
-              ]
-            }
-          ]
-        }
-      ]
-    }
-  ]
-}
-