Revert Spring Boot Uplift

- reverting back to spring 3.1.2
- manual changes to revert as other apps not fully ready for the
  delivery

Issue-ID: CPS-2133
Change-Id: I670b67916fa4a5d4e5bced6548b7fcd5ee12e855
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
18 files changed