Campaign templates is having if else token in outlook email

Summary:

Campaign templates has been configured in Manage HTML email templates. When I tested by sending test email to outlook. It is showing if else token How to remove it?

Content (required):

How to remove if else tokens showed in below snippet (indicated by arrows)

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):