public final static boolean deleteDir(File dir) {
		try {
			return deleteDir(dir, TaskMonitor.DUMMY);
		}
		catch (CancelledException ce) {
			// can't happen due to our usage of the dummy monitor
		}
		return true;// can't get here
	}
Delete a file or directory and all of its contents

@param dir the dir to delete
@return true if delete was successful. If false is returned, a partial
        delete may have occurred.
Ghidra/Framework/Utility/src/main/java/utilities/util/FileUtilities.java