Remove all generic expected results for which a generic Chromium expected result exists

LayoutTests/fast/backgrounds/solid-color-context-restore-expected.txt

Index: LayoutTests/fast/backgrounds/solid-color-context-restore-expected.txt
diff --git a/LayoutTests/fast/backgrounds/solid-color-context-restore-expected.txt b/LayoutTests/fast/backgrounds/solid-color-context-restore-expected.txt
deleted file mode 100644
index f39a632339a94882f18556101d594871b6caf1df..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/backgrounds/solid-color-context-restore-expected.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  RenderBlock {HTML} at (0,0) size 800x600
-    RenderBody {BODY} at (8,8) size 784x584
-      RenderBlock {P} at (0,0) size 784x18
-        RenderText {#text} at (0,0) size 750x19
-          text run at (0,0) width 445: "This tests that the graphics context is restored after painting solid color "
-          text run at (445,0) width 305: "images. The highlight color should be light blue."
-      RenderBlock {HR} at (0,34) size 784x2 [border: (1px inset #000000)]
-      RenderBlock {DIV} at (0,44) size 784x18
-        RenderText {#text} at (0,0) size 21x19
-          text run at (0,0) width 21: "foo"
-selection start: position 9 of child 0 {#text} of child 5 {DIV} of body
-selection end:   position 12 of child 0 {#text} of child 5 {DIV} of body