Useless configuration fields, remove or implement features?

[yangby-cryptape]

Description

• Fields that will never be used.

  axon/core/network/src/config.rs

  Lines 49 to 51 in 110bb16

  	pub allowlist: Vec<PeerId>,
  	pub allowlist_only: bool,
  	pub enable_save_restore: bool,

  
  

  axon/core/network/src/config.rs

  Lines 49 to 51 in 110bb16

  	pub allowlist: Vec<PeerId>,
  	pub allowlist_only: bool,
  	pub enable_save_restore: bool,

  
  

  axon/common/config-parser/src/types/config.rs

  Lines 198 to 199 in 110bb16

  	pub allowlist: Option<Vec<String>>,
  	pub allowlist_only: Option<bool>,

  
  

  axon/common/config-parser/src/types/config.rs

  Line 201 in 110bb16

  pub inbound_conn_limit: Option<usize>,

• Fields that are set to fixed values and won't be changed.

  axon/core/network/src/config.rs

  Line 86 in 110bb16

  inbound_conn_limit: DEFAULT_INBOUND_CONN_LIMIT,