docs(blockchain-tree): rm comment (#11903)

crates/blockchain-tree/src/blockchain_tree.rs

@@ -113,9 +113,6 @@ where
     ///       is crucial for the correct execution of transactions.
     /// - `tree_config`: Configuration for the blockchain tree, including any parameters that affect
     ///   its structure or performance.
-    /// - `prune_modes`: Configuration for pruning old blockchain data. This helps in managing the
-    ///   storage space efficiently. It's important to validate this configuration to ensure it does
-    ///   not lead to unintended data loss.
     pub fn new(
         externals: TreeExternals<N, E>,
         config: BlockchainTreeConfig,

crates/blockchain-tree/src/externals.rs

@@ -21,7 +21,6 @@ use std::{collections::BTreeMap, sync::Arc};
 /// - A handle to the database
 /// - A handle to the consensus engine
 /// - The executor factory to execute blocks with
-/// - The chain spec
 #[derive(Debug)]
 pub struct TreeExternals<N: NodeTypesWithDB, E> {
     /// The provider factory, used to commit the canonical chain, or unwind it.