function removeElementAttribute(element, attrName) {
  genericMethodCall(
      Methods.REMOVE_ATTRIBUTE, element, 'removeAttribute', [attrName]);
}
Deletes a specific attribute from an element without falling prey to
things like <form><input name="removeAttribute"></form>.
Equivalent to {@code element.removeAttribute("foo")}.
@param {!Element} element
@param {string} attrName