Delete a bunch of NPAPI layout tests.

LayoutTests/plugins/npruntime/script-tests/identifier-conversion.js

Index: LayoutTests/plugins/npruntime/script-tests/identifier-conversion.js
diff --git a/LayoutTests/plugins/npruntime/script-tests/identifier-conversion.js b/LayoutTests/plugins/npruntime/script-tests/identifier-conversion.js
deleted file mode 100644
index 206cb8083b8e7607949d9e3f3a28fbb90f3ec643..0000000000000000000000000000000000000000
--- a/LayoutTests/plugins/npruntime/script-tests/identifier-conversion.js
+++ /dev/null
@@ -1,23 +0,0 @@
-description("Test converting strings and integers to identifiers and back")
-
-embed = document.createElement("embed");
-embed.type = "application/x-webkit-test-netscape";
-document.body.appendChild(embed);
-
-shouldBeEqualToString("embed.testIdentifierToString('foo')", "foo");
-shouldBeEqualToString("embed.testIdentifierToString('123')", "123");
-shouldBeEqualToString("embed.testIdentifierToString('null')", "null");
-
-shouldBe("embed.testIdentifierToString(1)", "undefined");
-shouldBe("embed.testIdentifierToString(-1)", "undefined");
-shouldBe("embed.testIdentifierToString(1.40)", "undefined");
-
-shouldBe("embed.testIdentifierToInt(1)", "1");
-shouldBe("embed.testIdentifierToInt(-1)", "-1");
-shouldBe("embed.testIdentifierToInt(10)", "10");
-shouldBe("embed.testIdentifierToInt(10.234234)", "10");
-
-shouldBe("embed.testIdentifierToInt('foo')", "0");
-shouldBe("embed.testIdentifierToInt('10')", "0");
-
-var successfullyParsed = true;