feat: remove timeout in the channel between frontend and datanode #16281

Job	Run time
Check License Header	1m 15s
Check typos and docs	9s
Build GreptimeDB binaries (ubuntu-20.04)	4m 32s
Clippy	3m 9s
Check (windows-2022)	5m 50s
Rustfmt	32s
Check (ubuntu-20.04)	1m 43s
Toml Check	21s
coverage	13m 54s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	14m 13s
Sqlness Test with Kafka Wal (ubuntu-20.04)	2m 59s
Sqlness Test (ubuntu-20.04)	2m 31s
Fuzz Test (fuzz_create_table)	4m 50s
Fuzz Test (fuzz_alter_table)	5m 9s
Fuzz Test (fuzz_create_database)	4m 50s
Fuzz Test (fuzz_create_logical_table)	6m 14s
Fuzz Test (fuzz_alter_logical_table)	4m 53s
Fuzz Test (fuzz_insert)	4m 57s
Fuzz Test (fuzz_insert_logical_table)	4m 57s
	1h 26m 58s

Provide feedback