There're some suppressions added for Spring Cloud Azure libraries, we should remove them since we're going to GA the 4.0.

• https://github.com/Azure/azure-sdk-for-java/blob/9048cd1381e8b4dcace357b1ca9aa0625c02cab6/eng/code-quality-reports/src/main/resources/checkstyle/checkstyle-suppressions.xml
• https://github.com/Azure/azure-sdk-for-java/blob/1991eb6f4599e2b1c54744a7d118d4717b208911/eng/code-quality-reports/src/main/resources/spotbugs/spotbugs-exclude.xml
• https://github.com/Azure/azure-sdk-for-java/blob/3b25ac6dd3734de6f66b533e14ced1a9d43056ba/eng/code-quality-reports/src/main/resources/revapi/revapi.json