[backend][POC] Remove labels from playbooks (#6669)

[SouadHadjiat]

Proposed changes

• related PR on client [backend][POC] Remove labels from playbooks (#6669) client-python#1013

Related issues

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

[codecov]

Codecov Report

❌ Patch coverage is 56.28141% with 87 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.58%. Comparing base (c152126) to head (1a495d6).

Files with missing lines	Patch %	Lines
...okComponents/playbook-patch-knowledge-component.ts	55.83%	87 Missing ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##           release/current   #12738    +/-   ##
=================================================
  Coverage            66.58%   66.58%            
=================================================
  Files                  752      753     +1     
  Lines                79689    79888   +199     
  Branches              8559     8563     +4     
=================================================
+ Hits                 53060    53197   +137     
- Misses               26629    26691    +62     

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