Added call fireEvent when link was removed

[ToTheHit]

Checklist

• The code has been run through pretty yarn run pretty
• The tests pass on CircleCI
• You have referenced the issue(s) or other PR(s) this fixes/relates-to
• The PR Template has been filled out (see below)
• Had a beer/coffee because you are awesome

What?

After merge this (#914) PR into Master, I got problem with detect count of links for ports. Before it I used listener linksUpdated and each link had fields sourcePort and targetPort, but now are no there.

How?

Links already have method fireEvent and I just used it :)

Feel good image: