Remove MicroData implementation

LayoutTests/fast/dom/MicroData/resources/microdata-common.js

-// this function creates element with specified property and contents.
-function createElement(type, props, contents) {
-    if (window.testRunner)
-      testRunner.dumpAsText();
-
-    var element = document.createElement(type);
-
-    debug('Created element of type: ' + type);
-    for (var i in props) {
-      if (props.hasOwnProperty(i)) {
-        debug('Set attribute: ' + i + ', value: ' + props[i]);
-        element.setAttribute(i,props[i]);
-      }
-    }
-    if (contents) {
-      element.innerHTML = contents;
-    }
-    return element;
-}
-
-
-// runs a test and writes a log
-function runTest(collection, elements, title) {
-  if (window.testRunner)
-    testRunner.dumpAsText();
-
-  pass = true;
-
-  if (collection.length != elements.length) {
-    pass = false
-    debug('FAIL - expected ' + elements.length + ' elements but got ' + collection.length + " elements. ");
-  }
-  for(var i = 0, max = collection.length > elements.length ? elements.length : collection.length; i < max; i++) {
-    if(collection[i] != elements[i]) {
-      debug(title);
-      pass = false
-      debug('FAIL - expected element : ' + elements[i].tagName + " but got element :" + collection[i].tagName);
-      debug('FAIL - expected element with id: ' + elements[i].id + " but got element with id:" + collection[i].id);
-    }
-  }
-  if (pass)
-    debug(title + ': PASS');
-}