Remove the attribute of the given name, if it exists.
<p>Also removes the registered destruction callback for the specified
attribute, if any. However it <i>does not</i> execute the callback.
It is assumed the removed object will continue to be used and destroyed
independently at the appropriate time.
@param name the name of the attribute
Remove the attribute of the given name, if it exists. <p>Also removes the registered destruction callback for the specified attribute, if any. However it <i>does not</i> execute the callback. It is assumed the removed object will continue to be used and destroyed independently at the appropriate time. @param name the name of the attribute