BUILD-5670: Remove references to burgr (#189)

Signed-off-by: Jayadeep Kinavoor Madam <[email protected]>

.cirrus.yml

@@ -8,11 +8,6 @@ env:
   ARTIFACTORY_ACCESS_TOKEN: >-
     VAULT[development/artifactory/token/${CIRRUS_REPO_OWNER}-${CIRRUS_REPO_NAME}-private-reader access_token]
 
-  # burgr notification
-  BURGR_URL: VAULT[development/kv/data/burgr data.url]
-  BURGR_USERNAME: VAULT[development/kv/data/burgr data.cirrus_username]
-  BURGR_PASSWORD: VAULT[development/kv/data/burgr data.cirrus_password]
-
   # Use bash (instead of sh on linux or cmd.exe on windows)
   CIRRUS_SHELL: bash
   # Allows to run builds for the 50 last commits in a branch:
@@ -68,8 +63,6 @@ promote_task:
     ARTIFACTORY_PROMOTE_ACCESS_TOKEN: >-
       VAULT[development/artifactory/token/${CIRRUS_REPO_OWNER}-${CIRRUS_REPO_NAME}-promoter access_token]
     GITHUB_TOKEN: VAULT[development/github/token/${CIRRUS_REPO_OWNER}-${CIRRUS_REPO_NAME}-promotion token]
-    # artifacts that will have downloadable links in burgr
-    ARTIFACTS: org.sonarsource.parent:parent:pom
   maven_cache:
     folder: ${CIRRUS_WORKING_DIR}/.m2/repository
   script: cirrus_promote_maven