Delete a bunch of NPAPI layout tests.

LayoutTests/platform/win/plugins/netscape-dom-access-expected.txt

Index: LayoutTests/platform/win/plugins/netscape-dom-access-expected.txt
diff --git a/LayoutTests/platform/win/plugins/netscape-dom-access-expected.txt b/LayoutTests/platform/win/plugins/netscape-dom-access-expected.txt
deleted file mode 100644
index faf981c6f2c0db1492ca29707b53121fb0bd4f1a..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/win/plugins/netscape-dom-access-expected.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  LayoutBlockFlow {HTML} at (0,0) size 800x600
-    LayoutBlockFlow {BODY} at (8,8) size 784x584
-      LayoutBlockFlow {P} at (0,0) size 784x36
-        LayoutText {#text} at (0,0) size 736x35
-          text run at (0,0) width 516: "This page tests whether Netscape plug-ins can access their own DOM elements. "
-          text run at (515,0) width 221: "The plug-in should have a 3px red"
-          text run at (0,18) width 46: "border."
-      LayoutBlockFlow (anonymous) at (0,52) size 784x206
-        LayoutText {#text} at (0,0) size 0x0
-layer at (8,60) size 206x206
-  LayoutEmbeddedObject {EMBED} at (0,0) size 206x206 [border: (3px solid #FF0000)]