Remove MicroData implementation

LayoutTests/fast/dom/MicroData/itemid-attribute-test-expected.txt

Index: LayoutTests/fast/dom/MicroData/itemid-attribute-test-expected.txt
diff --git a/LayoutTests/fast/dom/MicroData/itemid-attribute-test-expected.txt b/LayoutTests/fast/dom/MicroData/itemid-attribute-test-expected.txt
deleted file mode 100644
index fef87690d27f6c4c12d1d5fb76016c909be55355..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/dom/MicroData/itemid-attribute-test-expected.txt
+++ /dev/null
@@ -1,35 +0,0 @@
-itemid attribute simple test.
-
-Created element of type: div
-Set attribute: itemid, value: http://example.com/foo
-
-The itemId attribute must be defined.
-PASS element.itemId is defined.
-PASS element.itemId is 'http://example.com/foo'
-
-itemId attribute must be case-senaitive.
-Created element of type: div
-Set attribute: itemid, value: http://example.com/FOO
-PASS createElement('div', {itemid: 'http://example.com/FOO'}).itemId == 'http://example.com/FOO'; is true
-
-itemId must strip leading and trailing whitespace.
-Created element of type: div
-Set attribute: itemid, value:  http://example.com/foo 
-PASS createElement('div', {itemid: ' http://example.com/foo '}).itemId == 'http://example.com/foo'; is true
-
-itemId must strip leading whitespace.
-Created element of type: div
-Set attribute: itemid, value:   http://example.com/foo
-PASS createElement('div', {itemid: '  http://example.com/foo'}).itemId == 'http://example.com/foo'; is true
-
-itemId must strip trailing whitespace.
-Created element of type: div
-Set attribute: itemid, value: http://example.com/foo  
-PASS createElement('div', {itemid: 'http://example.com/foo  '}).itemId == 'http://example.com/foo'; is true
-
-itemId must be read/write.
-PASS element.itemId = 'http://example.com/bar'; element.itemId == 'http://example.com/bar' is true
-PASS successfullyParsed is true
-
-TEST COMPLETE
-