deleteBucketInventoryConfiguration   
  This operation is not supported for directory buckets.
Deletes an S3 Inventory configuration (identified by the inventory ID) from the bucket.
To use this operation, you must have permissions to perform the s3:PutInventoryConfiguration action. The bucket owner has this permission by default. The bucket owner can grant this permission to others. For more information about permissions, see Permissions Related to Bucket Subresource Operations and Managing Access Permissions to Your Amazon S3 Resources.
For information about the Amazon S3 inventory feature, see Amazon S3 Inventory.
Operations related to DeleteBucketInventoryConfiguration include:
You must URL encode any signed header values that contain spaces. For example, if your header value is my file.txt, containing two spaces after my, you must URL encode this value to my%20%20file.txt.