Remove MicroData implementation

LayoutTests/fast/dom/MicroData/item-with-itemref-pointing-to-itself-expected.txt

Index: LayoutTests/fast/dom/MicroData/item-with-itemref-pointing-to-itself-expected.txt
diff --git a/LayoutTests/fast/dom/MicroData/item-with-itemref-pointing-to-itself-expected.txt b/LayoutTests/fast/dom/MicroData/item-with-itemref-pointing-to-itself-expected.txt
deleted file mode 100644
index 42608fa824258f97fe0d2746fc8799e12a62d14d..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/dom/MicroData/item-with-itemref-pointing-to-itself-expected.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-Test to verify HTMLPropertiesCollection's behavior of Microdata item with itemprop attribute and itemref pointing to itself.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-Created element of type: div
-Set attribute: itemscope, value: itemscope
-Set attribute: id, value: id1
-Set attribute: itemref, value: id1
-Set attribute: itemprop, value: foo
-
-Item not attached to dom tree
-PASS item.properties.length is 0
-PASS item.properties.item(0) is null
-PASS item.properties[0] is undefined.
-PASS item.properties.namedItem('foo').length is 0
-PASS item.properties.namedItem('foo').item(0) is null
-PASS item.properties.namedItem('foo')[0] is undefined.
-PASS item.properties.names.length is 0
-PASS item.properties.names.contains('foo') is false
-PASS item.properties.names.item(0) is null
-PASS item.properties.names.length[0] is undefined.
-
-Attached item to dom tree
-PASS item.properties.length is 0
-PASS item.properties.item(0) is null
-PASS item.properties[0] is undefined.
-PASS item.properties.namedItem('foo').length is 0
-PASS item.properties.namedItem('foo').item(0) is null
-PASS item.properties.namedItem('foo')[0] is undefined.
-PASS item.properties.names.length is 0
-PASS item.properties.names.contains('foo') is false
-PASS item.properties.names.item(0) is null
-PASS item.properties.names.length[0] is undefined.
-PASS successfullyParsed is true
-
-TEST COMPLETE
-