refactor: msg pool to make more structured part 3

src/message_pool/config.rs

@@ -43,12 +43,6 @@ impl Default for MpoolConfig {
 }
 
 impl MpoolConfig {
-    #[cfg(test)]
-    /// Saves message pool `config` to the database, to easily reload.
-    pub fn save_config<DB: SettingsStore>(&self, store: &DB) -> anyhow::Result<()> {
-        store.write_bin(MPOOL_CONFIG_KEY, &fvm_ipld_encoding::to_vec(&self)?)
-    }
-
     /// Returns the low limit capacity of messages to allocate.
     pub fn size_limit_low(&self) -> i64 {
         self.size_limit_low

src/message_pool/errors.rs

@@ -15,8 +15,6 @@ pub enum Error {
     GasPriceTooLow,
     #[error("gas fee cap is too low")]
     GasFeeCapTooLow,
-    #[error("Cannot send more Filecoin than will ever exist")]
-    MessageValueTooHigh,
     #[error("Message sequence too low")]
     SequenceTooLow,
     #[error("Not enough funds to execute transaction")]