feat: migrate to reed-solomon-simd only implementation

- Remove reed-solomon-erasure dependency and all related code
- Simplify ReedSolomonEncoder from enum to struct with SIMD-only implementation
- Eliminate all conditional compilation (#[cfg(feature = ...)])
- Add instance caching with RwLock-based encoder/decoder reuse
- Implement reset mechanism to avoid unnecessary allocations
- Ensure thread safety with proper cache management
- Update documentation and benchmark scripts for SIMD-only approach
- Apply code formatting across all files

Breaking Changes:
- Removes support for reed-solomon-erasure feature flag
- API remains compatible but implementation is now SIMD-only

Performance Impact:
- Improved encoding/decoding performance through SIMD optimization
- Reduced memory allocations via instance caching
- Enhanced thread safety and concurrency support

ecstore/src/cmd/bucket_replication.rs

@@ -1,6 +1,7 @@
 #![allow(unused_variables)]
 #![allow(dead_code)]
 // use error::Error;
+use crate::StorageAPI;
 use crate::bucket::metadata_sys::get_replication_config;
 use crate::bucket::versioning_sys::BucketVersioningSys;
 use crate::error::Error;
@@ -11,26 +12,25 @@ use crate::store_api::ObjectIO;
 use crate::store_api::ObjectInfo;
 use crate::store_api::ObjectOptions;
 use crate::store_api::ObjectToDelete;
-use crate::StorageAPI;
+use aws_sdk_s3::Client as S3Client;
+use aws_sdk_s3::Config;
 use aws_sdk_s3::config::BehaviorVersion;
 use aws_sdk_s3::config::Credentials;
 use aws_sdk_s3::config::Region;
-use aws_sdk_s3::Client as S3Client;
-use aws_sdk_s3::Config;
 use bytes::Bytes;
 use chrono::DateTime;
 use chrono::Duration;
 use chrono::Utc;
-use futures::stream::FuturesUnordered;
 use futures::StreamExt;
+use futures::stream::FuturesUnordered;
 use http::HeaderMap;
 use http::Method;
 use lazy_static::lazy_static;
 // use std::time::SystemTime;
 use once_cell::sync::Lazy;
 use regex::Regex;
-use rustfs_rsc::provider::StaticProvider;
 use rustfs_rsc::Minio;
+use rustfs_rsc::provider::StaticProvider;
 use s3s::dto::DeleteMarkerReplicationStatus;
 use s3s::dto::DeleteReplicationStatus;
 use s3s::dto::ExistingObjectReplicationStatus;
@@ -43,14 +43,14 @@ use std::collections::HashSet;
 use std::fmt;
 use std::iter::Iterator;
 use std::str::FromStr;
+use std::sync::Arc;
 use std::sync::atomic::AtomicI32;
 use std::sync::atomic::Ordering;
-use std::sync::Arc;
 use std::vec;
 use time::OffsetDateTime;
-use tokio::sync::mpsc::{Receiver, Sender};
 use tokio::sync::Mutex;
 use tokio::sync::RwLock;
+use tokio::sync::mpsc::{Receiver, Sender};
 use tokio::task;
 use tracing::{debug, error, info, warn};
 use uuid::Uuid;