Twenty Twenty: Posts display both the excerpt as well as full content

[mriyazuddin1]

Steps:

1. Activate Twenty Twenty theme.
2. Create a post, add excerpt.
3. Publish or preview the post and you'll see the post excerpt below title followed by post meta and content.

What was expected?
Post should display either the excerpt or the content but not both.

What happened?
Post displayed both the excerpt as well as full content.

Screenshot: ​https://d.pr/i/5m0B8Q

[mriyazuddin1]

Screenshot of a test post with both excerpt and content appearing