ss="paramLabel">Parameters:</span></dt>
<dd><code>group</code> - the MapGroup to remove</dd>
<dd><code>referenceOnly</code> - If <code>true</code> only references to the group should be removed.
            This will be the common case when the remove is effected by adding the child to
            another group. If <code>false</code> it is assumed that the group is being
            disposed of.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if group belonged and was removed</dd>
</dl>
</l