Remove stale platform-specific expectations

LayoutTests/platform/win/css2.1/css1_forward_compatible_parsing-expected.txt

Index: LayoutTests/platform/win/css2.1/css1_forward_compatible_parsing-expected.txt
diff --git a/LayoutTests/platform/win/css2.1/css1_forward_compatible_parsing-expected.txt b/LayoutTests/platform/win/css2.1/css1_forward_compatible_parsing-expected.txt
deleted file mode 100644
index 400955d39ee56e665b9449ed7b6dcf8c9048e663..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/win/css2.1/css1_forward_compatible_parsing-expected.txt
+++ /dev/null
@@ -1,44 +0,0 @@
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x425
-  RenderBlock {HTML} at (0,0) size 800x425
-    RenderBody {BODY} at (8,16) size 784x393
-      RenderBlock {DIV} at (0,0) size 784x40 [color=#008000] [bgcolor=#FFFFFF]
-        RenderBlock {P} at (0,0) size 784x40
-          RenderText {#text} at (0,0) size 753x39
-            text run at (0,0) width 753: "First sentence: this text should be green. The markup code is invalid according to W3C HTML validator and the CSS code is"
-            text run at (0,20) width 248: "invalid according to W3C CSS validator."
-      RenderBlock {DIV} at (0,56) size 784x40 [color=#008000] [bgcolor=#FFFFFF]
-        RenderBlock {P} at (0,0) size 784x40 [color=#FF0000]
-          RenderText {#text} at (0,0) size 762x39
-            text run at (0,0) width 762: "Second sentence: this text should be green according to CSS 1 but it should be red according to CSS 2.1. The markup code is"
-            text run at (0,20) width 709: "also invalid according to W3C HTML validator but the CSS code is perfectly valid according to W3C CSS validator."
-      RenderBlock {H3} at (0,114) size 784x46 [color=#008000] [bgcolor=#FFFFFF]
-        RenderText {#text} at (0,0) size 761x45
-          text run at (0,0) width 761: "Third sentence: this text should be green. The markup code is valid according to W3C HTML"
-          text run at (0,23) width 574: "validator but the CSS code is invalid according to W3C CSS validator."
-      RenderBlock {H4} at (0,181) size 784x60 [color=#FF0000] [bgcolor=#FFFFFF]
-        RenderText {#text} at (0,0) size 784x59
-          text run at (0,0) width 760: "Fourth sentence: this text should be green according to CSS 1 (class name can not start with a dash in CSS 1) but it"
-          text run at (0,20) width 784: "should be red according to CSS 2.1 and the markup code is valid according to W3C HTML validator and the CSS code"
-          text run at (0,40) width 333: "is perfectly valid according to W3C CSS validator."
-      RenderBlock {H5} at (0,267) size 784x80 [color=#800080] [bgcolor=#FFFFFF]
-        RenderText {#text} at (0,0) size 780x79
-          text run at (0,0) width 747: "Fifth sentence: this text should be green according to CSS 1 (class name can not start with a dash in CSS 1) but it"
-          text run at (0,20) width 780: "should be purple according to latest CSS 2.1 WD (class name can not start with a dash unless immediately followed by"
-          text run at (0,40) width 775: "[_A-Za-z] character in CSS 2.1) and the markup code is valid according to W3C HTML validator and the CSS code is"
-          text run at (0,60) width 344: "perfectly valid according to the W3C CSS validator!"
-      RenderBlock {P} at (0,373) size 784x20
-        RenderText {#text} at (0,0) size 27x19
-          text run at (0,0) width 27: "See "
-        RenderInline {A} at (0,0) size 68x19 [color=#0000EE]
-          RenderText {#text} at (27,0) size 68x19
-            text run at (27,0) width 68: "Bug 14373"
-        RenderInline {A} at (0,0) size 4x19
-          RenderText {#text} at (95,0) size 4x19
-            text run at (95,0) width 4: "."
-      RenderBlock (anonymous) at (0,409) size 784x0
-        RenderInline {A} at (0,0) size 0x0
-          RenderText {#text} at (0,0) size 0x0
-          RenderText {#text} at (0,0) size 0x0
-          RenderText {#text} at (0,0) size 0x0