Rust 1.79 lints (#5927)

* max_value -> MAX

* remove unnecesary closures

* a couple more max_value -> MAX

* a couple more max_value -> MAX

* Revert "a couple more max_value -> MAX"

This reverts commit 807fe7cae9.

* unused spec field -> phantom data

* ignore some dead code warnings

* update kurtosis repo location

beacon_node/execution_layer/src/engine_api/http.rs

@@ -412,7 +412,7 @@ pub mod deposit_methods {
                     .ok_or("Block number was not string")?,
             )?;
 
-            if number <= usize::max_value() as u64 {
+            if number <= usize::MAX as u64 {
                 Ok(Block {
                     hash,
                     timestamp,