Remove hardening part which caused troubles

5 jobs for master
Status Job ID Name Coverage
  Test Source
failed #6094
test-source-lts

failed #6095
test-source-rolling

 
  Build
skipped #6098
build-rolling-amd64
skipped #6096
lintian-lts
skipped #6097
lintian-rolling
 
Name Stage Failure
failed
test-source-lts Test Source There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
test-source-rolling Test Source There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log