[dask] Drop aliases of core network parameters

[StrikerRUS]

Most network params in Dask module is constructed manually based on IPs and ports.
We need to drop all aliases from params to not confuse LightGBM cpp code with multiple values for the same param.

LightGBM/python-package/lightgbm/dask.py

Lines 125 to 135 in ac706e1

	machine_list = ','.join([
	'%s:%d' % (urlparse(worker_address).hostname, port)
	for worker_address, port
	in worker_address_to_port.items()
	])
	network_params = {
	'machines': machine_list,
	'local_listen_port': worker_address_to_port[local_worker_address],
	'time_out': time_out,
	'num_machines': len(worker_address_to_port)
	}

[github-actions]

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