Remove connecting lines between MR widgets

What does this MR do and why?

Removes connecting lines between MR widgets

Why?

• The line implies that the widgets are happening in some sort of linear order (like the Activity), which they are not
• They don't align with the Activity horizontal line
• They add extra unnecessary lines in the UI

Screenshots or screen recordings

Before	After

How to set up and validate locally

Look at any MR with widgets

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

#394879 (closed)