@Override
	public boolean delete() throws IOException {
		boolean rc = false;
		try {
			rc = bufferFile.delete();
		}
		finally {
			dispose();
		}
		return rc;
	}
Dispose associated buffer file and unexport this instance.
Ghidra/Features/GhidraServer/src/main/java/db/buffers/RemoteBufferFileImpl.java