reduce traefik latency check, and remove unnecessary warnings when a pipeline does not exist

[sanderegg]

What do these changes do?

reduce warning logs pollution

Related issue/s

How to test

Checklist

[codecov]

Codecov Report

Merging #2224 (c073dd3) into master (aa717c7) will decrease coverage by 0.0%.
The diff coverage is 65.2%.

@@           Coverage Diff            @@
##           master   #2224     +/-   ##
========================================
- Coverage    73.0%   73.0%   -0.1%     
========================================
  Files         465     465             
  Lines       17978   17983      +5     
  Branches     1773    1773             
========================================
- Hits        13137   13133      -4     
- Misses       4375    4380      +5     
- Partials      466     470      +4     

Flag	Coverage Δ
integrationtests	65.4% <65.2%> (-0.1%)	⬇️
unittests	66.4% <60.8%> (-0.1%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...erver/src/simcore_service_webserver/application.py	93.0% <0.0%> (ø)
...erver/src/simcore_service_webserver/director_v2.py	86.6% <50.0%> (-1.5%)	⬇️
.../simcore_service_webserver/projects/projects_db.py	89.3% <62.5%> (-1.4%)	⬇️
...re_service_webserver/projects/projects_handlers.py	83.7% <100.0%> (+0.4%)	⬆️
...webserver/computation_comp_tasks_listening_task.py	84.9% <0.0%> (-3.3%)	⬇️
.../director/src/simcore_service_director/producer.py	60.8% <0.0%> (-0.9%)	⬇️
.../server/src/simcore_service_webserver/users_api.py	93.9% <0.0%> (+2.5%)	⬆️

[GitHK]

👍

[pcrespov]

MNIOR: remove commented

Q: does it really make a difference making it async? Did you measure?

[sanderegg]

I'm still getting "some" 503 when the system more so I took no chance.