Bug 194843 Cross tab Cube - Cannot delete a dimension using the cube builder
- Open the attached report design - Delete the "Region" group. Current behavior - Does now allow me to delete the group.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
* <li>The style that this content uses.
	 * <li>The elements that use this style.
	 * <li>The elements that this content contains.
	 * <li>The name space that contains this content.
	 * </ul>
	 * 
	 * @param content
	 *            the element to remove
	 * @param slotID
	 *            the slot from which to remove the content
	 * @param unresolveReference
	 *            status whether to un-resolve the references
	 * @param flag
	 *            <code>true</code> to avoid the exception when the
	 *            <code>content</code> is a virtual element. Otherwise,
	 *            <code>false</code>.
	 * @throws SemanticException
	 *             if this content cannot be removed from container.
	 */
	public void remove( DesignElement content, boolean unresolveReference,
			boolean flag ) throws SemanticException
	{
		this.unresolveReference = unresolveReference;
		this.flag = flag;
		super.remove( content );
	}
	/**
	 * @see #remove(DesignElement, int, boolean)
	 * @param content
	 *            the element to remove