revert sonar changes.

Author: zhumin8

.github/workflows/sonar.yaml

@@ -45,18 +45,4 @@ jobs:
             -Dsonar.projectKey=googleapis_google-auth-library-java \
             -Dsonar.organization=googleapis \
             -Dsonar.host.url=https://sonarcloud.io
-    - name: Build and analyze for logging tests
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
-        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-      run: |
-        mvn -B verify -P '!slf4j2x,slf4j2x-test' \
-            -Dcheckstyle.skip \
-            -Djacoco.skip=true \
-            -DenableFullTestCoverage \
-            -Dsonar.coverage.jacoco.xmlReportPaths=oauth2_http/target/site/jacoco/jacoco.xml \
-            org.sonarsource.scanner.maven:sonar-maven-plugin:sonar \
-            -Dsonar.projectKey=googleapis_google-auth-library-java \
-            -Dsonar.organization=googleapis \
-            -Dsonar.host.url=https://sonarcloud.io