protected void removeLabelCallback(ListingActionContext context) {
		Symbol s = getSymbol(context);
		if (s != null) {
			Command<Program> cmd =
				new DeleteLabelCmd(s.getAddress(), s.getName(), s.getParentNamespace());

			if (!tool.execute(cmd, context.getProgram())) {
				tool.setStatusInfo(cmd.getStatusMsg());
			}
		}
	}
Removes the label or alias that the cursor is over from the current label field. If an 
exception is caught during the removal of the label or alias, a message is written to the 
status area.
@param context the action context
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/label/LabelMgrPlugin.java