remove project key

Author: tomasz-tylenda-sonarsource

.github/workflows/unified-dogfooding.yml

@@ -22,8 +22,6 @@ jobs:
         with:
           version: 2025.7.12
       - uses: SonarSource/ci-github-actions/build-maven@v1
-        env:
-          SHADOW_PROJECT_KEY: "SonarSource_sonar-java-jdt"
         with:
           artifactory-reader-role: private-reader    # Override default public-reader
           artifactory-deployer-role: qa-deployer     # Override default public-deployer