Revert release preparation

- Revert "[maven-release-plugin] prepare release spring-mvc-unit-test-sample-1.0.0"
  This reverts commit 1810aa3341470e720452c16a581ff8a3481b780b.
- Revert "fix scm config values"
  This reverts commit 4cf6b332894b59a88afeda23527a7228b5d3856b.