Rename last two virtual test suites to complete VirtualTestSuite refactoring.

LayoutTests/platform/mac/virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch-expected.txt

Index: LayoutTests/platform/mac/virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch-expected.txt b/LayoutTests/platform/mac/virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch-expected.txt
deleted file mode 100644
index 6c7746291c03bdb67bf4767569adf032a6289c1c..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/mac/virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch-expected.txt
+++ /dev/null
@@ -1,90 +0,0 @@
-  
-{
-  "bounds": [800, 600],
-  "children": [
-    {
-      "bounds": [800, 600],
-      "contentsOpaque": true,
-      "drawsContent": true,
-      "children": [
-        {
-          "position": [18, 18],
-          "bounds": [206, 126],
-          "contentsOpaque": true,
-          "drawsContent": true,
-          "backgroundColor": "#CCCCCC",
-          "children": [
-            {
-              "position": [1, 1],
-              "bounds": [189, 124],
-              "children": [
-                {
-                  "bounds": [189, 308],
-                  "shouldFlattenTransform": false,
-                  "drawsContent": true,
-                  "children": [
-                    {
-                      "shouldFlattenTransform": false
-                    }
-                  ]
-                }
-              ]
-            },
-            {
-              "children": [
-                {
-                  "position": [190, 1],
-                  "bounds": [15, 109]
-                },
-                {
-                  "position": [190, 110],
-                  "bounds": [15, 15],
-                  "drawsContent": true
-                }
-              ]
-            }
-          ]
-        },
-        {
-          "position": [248, 18],
-          "bounds": [206, 126],
-          "contentsOpaque": true,
-          "drawsContent": true,
-          "backgroundColor": "#CCCCCC",
-          "children": [
-            {
-              "position": [1, 1],
-              "bounds": [189, 124],
-              "children": [
-                {
-                  "bounds": [189, 308],
-                  "shouldFlattenTransform": false,
-                  "drawsContent": true,
-                  "children": [
-                    {
-                      "shouldFlattenTransform": false
-                    }
-                  ]
-                }
-              ]
-            },
-            {
-              "children": [
-                {
-                  "position": [190, 1],
-                  "bounds": [15, 109]
-                },
-                {
-                  "position": [190, 110],
-                  "bounds": [15, 15],
-                  "drawsContent": true
-                }
-              ]
-            }
-          ]
-        }
-      ]
-    }
-  ]
-}
-