Revert of Implement :valid and :invalid pseudoclass for <form>

LayoutTests/fast/forms/form-pseudo-valid-style-expected.txt

Index: LayoutTests/fast/forms/form-pseudo-valid-style-expected.txt
diff --git a/LayoutTests/fast/forms/form-pseudo-valid-style-expected.txt b/LayoutTests/fast/forms/form-pseudo-valid-style-expected.txt
deleted file mode 100644
index 14ecf3480e3ff858e27e5627e01f682f97cfdcea..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/forms/form-pseudo-valid-style-expected.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-Check if :valid/:invalid CSS pseudo selectors are lively applied for forms
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-Removing and adding required text inputs and modifying ther value by a DOM tree mutation:
-PASS backgroundOf(form1) is invalidColor
-PASS backgroundOf(sub1) is subInvalidColor
-PASS form1.removeChild(input1); backgroundOf(form1) is validColor
-PASS backgroundOf(sub1) is subValidColor
-PASS form1.appendChild(input1); backgroundOf(form1) is invalidColor
-PASS backgroundOf(sub1) is subInvalidColor
-PASS input1.setAttribute("value", "a"); backgroundOf(form1) is validColor
-PASS backgroundOf(sub1) is subValidColor
-PASS input2.setAttribute("value", ""); backgroundOf(form1) is invalidColor
-PASS backgroundOf(sub1) is subInvalidColor
-
-Adding a required text input that is not a direct child of the form:
-PASS backgroundOf(form1) is validColor
-PASS div1.appendChild(input1); backgroundOf(form1) is invalidColor
-
-Render multiple forms and move an invalid input from one to another:
-PASS backgroundOf($("form1")) is invalidColor
-PASS backgroundOf($("form2")) is validColor
-PASS backgroundOf($("form3")) is validColor
-PASS backgroundOf($("form1")) is validColor
-PASS backgroundOf($("form3")) is invalidColor
-
-PASS successfullyParsed is true
-
-TEST COMPLETE
-