Remove blank line in bucket.rb

Removed an unnecessary blank line before the encryption configuration documentation.

Author: shubhangi-google

google-cloud-storage/lib/google/cloud/storage/bucket.rb

@@ -785,7 +785,6 @@ def update_bucket_encryption_enforcement_config incoming_config
           patch_gapi! :encryption, bucket_encryption_config: encryption_patch
         end
 
-
         ##
         # The bucket's encryption configuration for customer-supplied encryption keys. This configuration defines the
         # default encryption behavior for the bucket and its files, and it can be used to enforce encryption requirements