Merge validation logic into existing util method by adding contentValidationOptions parameter

Co-authored-by: gunjansingh-msft <[email protected]>

Author: Copilot

sdk/storage/azure-storage-blob/src/main/java/com/azure/storage/blob/specialized/BlobAsyncClientBase.java

@@ -1171,7 +1171,7 @@ public Mono<BlobDownloadAsyncResponse> downloadStreamWithResponse(BlobRange rang
         BlobRequestConditions requestConditions, boolean getRangeContentMd5) {
         try {
             return withContext(
-                context -> downloadStreamWithResponse(range, options, requestConditions, getRangeContentMd5, context));
+                context -> downloadStreamWithResponse(range, options, requestConditions, getRangeContentMd5, null, context));
         } catch (RuntimeException ex) {
             return monoError(LOGGER, ex);
         }
@@ -1312,12 +1312,6 @@ private Mono<BlobDownloadContentAsyncResponse> downloadContentWithResponseHelper
                     data, r.getDeserializedHeaders())));
     }
 
-    Mono<BlobDownloadAsyncResponse> downloadStreamWithResponse(BlobRange range, DownloadRetryOptions options,
-        BlobRequestConditions requestConditions, boolean getRangeContentMd5, Context context) {
-        // Delegate to the overload with null content validation options
-        return downloadStreamWithResponse(range, options, requestConditions, getRangeContentMd5, null, context);
-    }
-
     Mono<BlobDownloadAsyncResponse> downloadStreamWithResponse(BlobRange range, DownloadRetryOptions options,
         BlobRequestConditions requestConditions, boolean getRangeContentMd5, DownloadContentValidationOptions contentValidationOptions, Context context) {