Move old multicol tests to a separate directory.

LayoutTests/platform/win/fast/multicol/single-line-expected.txt

Index: LayoutTests/platform/win/fast/multicol/single-line-expected.txt
diff --git a/LayoutTests/platform/win/fast/multicol/single-line-expected.txt b/LayoutTests/platform/win/fast/multicol/single-line-expected.txt
deleted file mode 100644
index 4b1e7258dff9af3384d4206bfc726bff82b6c507..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/win/fast/multicol/single-line-expected.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x298
-  RenderBlock {HTML} at (0,0) size 800x298
-    RenderBody {BODY} at (8,16) size 784x266
-      RenderBlock {P} at (0,0) size 784x20
-        RenderText {#text} at (0,0) size 721x19
-          text run at (0,0) width 370: "This test checks if CSS3 multi-column layout properly works "
-          text run at (370,0) width 351: "when the multi-column block contains only one line of text."
-      RenderBlock {P} at (0,36) size 784x20
-        RenderText {#text} at (0,0) size 522x19
-          text run at (0,0) width 280: "Test successful if the following text is readable "
-          text run at (280,0) width 242: "(i.e. not split into two different columns)."
-      RenderBlock {DIV} at (0,246) size 784x20
-layer at (8,88) size 784x20
-  RenderBlock {P} at (0,72) size 784x20 [bgcolor=#EEEEEE]
-    RenderText {#text} at (0,0) size 63x19
-      text run at (0,0) width 63: "Short text."
-layer at (8,124) size 784x35
-  RenderBlock {P} at (0,108) size 784x35 [bgcolor=#EEEEEE]
-    RenderInline {SPAN} at (0,0) size 137x34
-      RenderText {#text} at (0,0) size 137x34
-        text run at (0,0) width 137: "Bigger text."
-    RenderText {#text} at (0,0) size 0x0
-layer at (8,175) size 784x35
-  RenderBlock {P} at (0,159) size 784x35 [bgcolor=#EEEEEE]
-    RenderText {#text} at (0,12) size 52x19
-      text run at (0,12) width 52: "Partially "
-    RenderInline {SPAN} at (0,0) size 36x34
-      RenderText {#text} at (52,0) size 36x34
-        text run at (52,0) width 36: "big"
-    RenderText {#text} at (88,12) size 30x19
-      text run at (88,12) width 30: " text."
-layer at (8,226) size 784x20
-  RenderBlock {DIV} at (0,210) size 784x20 [bgcolor=#EEEEEE]
-    RenderBlock {P} at (0,16) size 184x24
-      RenderText {#text} at (0,4) size 86x19
-        text run at (0,4) width 86: "Nested block."
-layer at (8,262) size 784x20
-  RenderBlock {P} at (0,0) size 784x20 [bgcolor=#EEEEEE]
-    RenderText {#text} at (0,0) size 106x19
-      text run at (0,0) width 106: "Nested block #2."