Clean up comments in bucket.rb

Removed unnecessary comment line in bucket.rb

Author: shubhangi-google

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

@@ -794,7 +794,7 @@ def update_bucket_encryption_enforcement_config incoming_config
         # The bucket's encryption configuration, or `nil` if no encryption configuration has been set.
         # @example
         #   require "google/cloud/storage"
-        #   #
+        #
         #   storage = Google::Cloud::Storage.new
         #   bucket = storage.bucket "my-bucket"
         #   bucket.customer_supplied_encryption_enforcement_config #=> Google::Apis::StorageV1::Bucket::Encryption::CustomerSuppliedEncryptionEnforcementConfig.new