Completely remove network source iface from tasks, audits

[saberlynx]

What:

Remove remaining references to network source interface in the code. Continuation of #2902 A backport PR for master will be made with commits from both PRs.

Why:

How:

Removed irrelevant tests and manually tested.

Checklist:

• Tests
• CHANGELOG Entry
• Labels for ports to other branches

[codecov]

Codecov Report

Merging #2942 (dd9ee5e) into gsa-21.10 (3288515) will increase coverage by 0.01%.
The diff coverage is 75.00%.

@@              Coverage Diff              @@
##           gsa-21.10    #2942      +/-   ##
=============================================
+ Coverage      53.90%   53.92%   +0.01%     
=============================================
  Files           1059     1059              
  Lines          25968    25968              
  Branches        7411     7411              
=============================================
+ Hits           13999    14002       +3     
+ Misses         10859    10856       -3     
  Partials        1110     1110              

Impacted Files	Coverage Δ
gsa/src/web/pages/audits/component.js	38.85% <ø> (ø)
gsa/src/web/pages/results/detailspage.js	12.32% <0.00%> (ø)
gsa/src/web/pages/scanners/component.js	2.70% <ø> (ø)
gsa/src/web/pages/tasks/component.js	30.07% <85.71%> (ø)
gsa/src/web/entities/container.js	45.71% <0.00%> (+1.22%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4394f62...dd9ee5e. Read the comment docs.