* Java Example of Hexagonal Architecture
* removing unnecessary maven files from pull request and spaces in code
* Removing unnecessary lines
* Example code for using Multiple Cache Manager in SpringBoot
* BAEL-3963:Using multiple cache managers in Spring
* removing new module created in last pull request
* Fixes as per editor Suggestions
Co-authored-by: Ankur Gupta <ankur.gupta@jda.com>