Fixes #12925: SQL poistinst is too verbose in datasource

[ncharles]

https://www.rudder-project.org/redmine/issues/12925

[Normation-Quality-Assistant]

This PR breaks qa-test

-- stdout -- 
Your branch is behind 'NRM/branches/rudder/4.1' by 2 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
Updating 58b2ec7..c79cf3b
Fast-forward
[...]
-- stderr --
From github.com:ncharles/rudder-plugins
 * [new branch]      bug_12925/sql_poistinst_is_too_verbose_in_datasource -> bug_12925/sql_poistinst_is_too_verbose_in_datasource_pr
From github.com:Normation/rudder-plugins
   b10d891..f19020d  branches/rudder/4.3 -> NRM/branches/rudder/4.3
   62f3922..5e78885  master              -> NRM/master
Switched to branch 'branches/rudder/4.1'
Switched to a new branch '4.1_test'
No config file found, using default configuration

You should run ./qa-test in your repository to make sure it works.
You can also run rudder-dev merge https://github.com/Normation/rudder-plugins/pull/63 --test to test with upmerging.
After this, you can remove the qa: Can't merge ta
-- Your faithful QA

[fanf]

OK, merging this PR