Remove MicroData implementation

LayoutTests/fast/dom/MicroData/itemref-add-remove-tokens-expected.txt

Index: LayoutTests/fast/dom/MicroData/itemref-add-remove-tokens-expected.txt
diff --git a/LayoutTests/fast/dom/MicroData/itemref-add-remove-tokens-expected.txt b/LayoutTests/fast/dom/MicroData/itemref-add-remove-tokens-expected.txt
deleted file mode 100644
index 7484a564779ef2ea9ebbd973ff9059a4fcf3efc0..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/dom/MicroData/itemref-add-remove-tokens-expected.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-This tests that itemRef attribute must update correctly when token have been added or removed.
-
-Created element of type: div
-itemRef.add must reflect correctly.
-PASS element.itemRef.length == 2 is true
-PASS element.itemRef.toString() is 'foo FOO'
-PASS element.itemRef[0] is 'foo'
-PASS element.itemRef[1] is 'FOO'
-
-itemRef.add must not make any changes if an existing token is added.
-PASS element.itemRef.length == 2 is true
-PASS element.itemRef.toString() is 'foo FOO'
-
-itemRef.remove must reflect correctly.
-PASS element.itemRef.length == 1 is true
-PASS element.itemRef.toString() is 'FOO'
-PASS element.itemRef.contains('foo') is false
-
-itemRef.remove must not make any changes if a non-existing token is removed.
-PASS element.itemRef.length == 1 is true
-PASS element.itemRef.toString() is 'FOO'
-PASS element.itemRef.contains('foo') is false
-
-itemRef.length must be 0 when all tokens are removed.
-PASS element.itemRef.length == 0 is true
-PASS element.itemRef.contains('foo') is false
-PASS element.itemRef.contains('FOO') is false
-PASS successfullyParsed is true
-
-TEST COMPLETE
-