ci: remove sonarqube (#5628)

Author: v1v

.buildkite/pipeline.yml

@@ -245,23 +245,6 @@ steps:
           - step: "e2e-test"
             allow_failure: true
 
-      - label: ":sonarqube: Continuous Code Inspection"
-        env:
-          VAULT_SONAR_TOKEN_PATH: "kv/ci-shared/platform-ingest/elastic/fleet-server/sonar-analyze-token"
-        agents:
-          image: "docker.elastic.co/cloud-ci/sonarqube/buildkite-scanner:latest"
-        command:
-          - "buildkite-agent artifact download build/*coverage*.out ."
-          - "buildkite-agent artifact download build/test-unit*.out.xml ."
-          - "/scan-source-code.sh"
-        depends_on:
-          - step: "unit-test"
-            allow_failure: false
-          - step: "e2e-test"
-            allow_failure: false
-          - step: "unit-test-macos-13"
-            allow_failure: false
-
       - label: ":gcloud: Cloud e2e Test"
         key: "cloud-e2e-test"
         env:

README.md

@@ -1,6 +1,6 @@
 # Fleet Server
 
-[![Build status](https://badge.buildkite.com/e97572322f4d22804d550aa300c7d4cfe807f3463c999e8c8f.svg?branch=main)](https://buildkite.com/elastic/fleet-server) [![Coverage](https://sonar.elastic.dev/api/project_badges/measure?project=elastic_fleet-server_AYpL8BsVaV3I-igkX4hx&metric=coverage&token=sqb_0ac55a13c6a96c9ca98f6ec6d49c07eb55e79572)](https://sonar.elastic.dev/dashboard?id=elastic_fleet-server_AYpL8BsVaV3I-igkX4hx)
+[![Build status](https://badge.buildkite.com/e97572322f4d22804d550aa300c7d4cfe807f3463c999e8c8f.svg?branch=main)](https://buildkite.com/elastic/fleet-server)
 
 Fleet server is the control server to manage a fleet of [elastic-agents](https://github.com/elastic/elastic-agent).
 

catalog-info.yaml

@@ -7,7 +7,6 @@ metadata:
   name: fleet-server
   description: fleet-server - The control server for managing a fleet of elastic-agents
   annotations:
-    sonarqube.org/project-key: elastic_fleet-server_AYpL8BsVaV3I-igkX4hx
     gitops.elastic.co/service-name: fleet
     pagerduty.com/service-id: PW0VP7P