Removing noisy log for failure to get blob container (#7363)

* Removing noisy log for failure to get blob container

Author: karshinlin

src/WebJobs.Script/StorageProvider/AzureStorageProvider.cs

@@ -64,9 +64,7 @@ public virtual BlobContainerClient GetBlobContainerClient()
 
             if (!TryGetBlobServiceClientFromConnection(out BlobServiceClient blobServiceClient, ConnectionStringNames.Storage))
             {
-                var ex = new InvalidOperationException($"Could not create BlobServiceClient to obtain the BlobContainerClient using Connection: {ConnectionStringNames.Storage}");
-                _logger.LogError(ex, "Invalid blob storage connection configuration. Could not create BlobServiceClient.");
-                throw ex;
+                throw new InvalidOperationException($"Could not create BlobServiceClient to obtain the BlobContainerClient using Connection: {ConnectionStringNames.Storage}");
             }
 
             return blobServiceClient.GetBlobContainerClient(ScriptConstants.AzureWebJobsHostsContainerName);