Revert 105710 - Introduce RadioButtonGroup class to keep track of the group members and required st…

LayoutTests/fast/forms/ValidityState-valueMissing-radio-expected.txt

Index: LayoutTests/fast/forms/ValidityState-valueMissing-radio-expected.txt
===================================================================
--- LayoutTests/fast/forms/ValidityState-valueMissing-radio-expected.txt	(revision 111481)
+++ LayoutTests/fast/forms/ValidityState-valueMissing-radio-expected.txt	(working copy)
@@ -6,8 +6,8 @@
 Without form element
 No checked button:
 PASS inputs[0].validity.valueMissing is true
-PASS inputs[1].validity.valueMissing is true
-PASS inputs[2].validity.valueMissing is true
+PASS inputs[1].validity.valueMissing is false
+PASS inputs[2].validity.valueMissing is false
 The second button has been checked:
 PASS inputs[0].validity.valueMissing is false
 PASS inputs[1].validity.valueMissing is false
@@ -20,12 +20,11 @@
 PASS inputs[0].validity.valueMissing is false
 PASS inputs[1].validity.valueMissing is false
 PASS inputs[2].validity.valueMissing is false
-
 With form element
 No checked button:
 PASS inputs[0].validity.valueMissing is true
-PASS inputs[1].validity.valueMissing is true
-PASS inputs[2].validity.valueMissing is true
+PASS inputs[1].validity.valueMissing is false
+PASS inputs[2].validity.valueMissing is false
 The first button has been checked:
 PASS inputs[0].validity.valueMissing is false
 PASS inputs[1].validity.valueMissing is false
@@ -38,13 +37,6 @@
 PASS inputs[0].validity.valueMissing is false
 PASS inputs[1].validity.valueMissing is false
 PASS inputs[2].validity.valueMissing is false
-
-Not in a radio button group
-PASS requiredButton.validity.valueMissing is false
-PASS requiredButton.validity.valueMissing is true
-PASS button.validity.valueMissing is true
-PASS button.validity.valueMissing is false
-PASS requiredButton.validity.valueMissing is false
 PASS successfullyParsed is true
 
 TEST COMPLETE