[8.19] (backport #10347) Cleanup sonarqube leftovers (#10354)

* Cleanup sonarqube leftovers (#10347)

(cherry picked from commit 95a289c)

# Conflicts:
#	catalog-info.yaml
#	sonar-project.properties

* fix conflicts

---------

Co-authored-by: Paolo Chilà <[email protected]>

Author: mergify[bot]

catalog-info.yaml

@@ -6,8 +6,6 @@ kind: Component
 metadata:
   name: elastic-agent
   description: Elastic Agent - single, unified way to add monitoring for logs, metrics, and other types of data to a host.
-  annotations:
-    sonarcloud.io/project-key: elastic_elastic-agent
 
 spec:
   type: tool