[27.x backport] Do not underline image name

[thaJeztah]

• backport Do not underline image name #5473

Blue text with underline looks too much as a hyperlink I can click on

(cherry picked from commit 1704089)

- What I did

Removed the underline from the blue image names. Blue text with underline looks too much as a hyperlink I can click on

Before:

After:

- Description for the changelog

- containerd image store: do not underline names in `docker image ls --tree`.

- A picture of a cute animal (not mandatory but encouraged)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 59.78%. Comparing base (132ecbc) to head (4694fc8).
Report is 9 commits behind head on 27.x.

Additional details and impacted files

@@ Coverage Diff @@ ## 27.x #5519 +/- ## ======================================= Coverage 59.78% 59.78% ======================================= Files 345 345 Lines 23442 23442 ======================================= Hits 14015 14015 Misses 8453 8453 Partials 974 974