fix: call validate_execution_requests from validate_version_specific_fields for ethereum engine validator (paradigmxyz/reth#14932)

Author: fgimenez

node/src/engine.rs

@@ -150,19 +150,6 @@ where
     Types: EngineTypes<PayloadAttributes = OpPayloadAttributes, ExecutionData = OpExecutionData>,
     P: StateProviderFactory + Unpin + 'static,
 {
-    fn validate_execution_requests(
-        &self,
-        requests: &alloy_eips::eip7685::Requests,
-    ) -> Result<(), EngineObjectValidationError> {
-        // according to op spec, execution requests must be empty
-        if !requests.is_empty() {
-            return Err(EngineObjectValidationError::InvalidParams(
-                "NonEmptyExecutionRequests".to_string().into(),
-            ))
-        }
-        Ok(())
-    }
-
     fn validate_version_specific_fields(
         &self,
         version: EngineApiMessageVersion,