Fix tlc space issue caused by remote_nonces and remote_commitment_points #1596

Job	Run time
e2e test for 3-nodes-transfer --env test	4m 9s
e2e test for invoice-ops --env test	3m 33s
e2e test for open-use-close-a-channel --env test	3m 49s
e2e test for udt --env test	4m 15s
e2e test for reestablish --env test	4m 28s
e2e test for cross-chain-hub --env test	3m 58s
e2e test for router-pay --env test	5m 4s
e2e test for udt-router-pay --env test	4m 6s
e2e test for udt --env xudt-test	4m 8s
e2e test for 3-nodes-transfer --env test --env-var HASH_ALGORITHM=sha256	4m 6s
	41m 36s

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