* refactor: Remove MySQL related options from Datanode
remove mysql_addr and mysql_runtime_size in datanode.rs, remove command line argument mysql_addr in cmd/src/datanode.rs
#1739
* feat: remove --mysql-addr from command line
in pre commit, sqlness can not find --mysql-addrr, because we remove it
issue#1739
* refactor: remove --mysql-addr from command line
in pre commit, sqlness can not find --mysql-addrr, because we remove it
issue#1739