[Docs] Removing the section for setting the number of outbound connections.
[Docs] Removing the section for setting the number of outbound connections.

aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core