Revert "Update Spring Boot CLI to 2.x"
Revert "Update Spring Boot CLI to 2.x"

This reverts commit d8f60627396a5e7422ee6bc1ee69b6f67f84225e.

cloudfoundry-community/jboss-buildpack,hmlingesh/java-buildpack,cloudfoundry-community/tomee-buildpack,cloudfoundry-community/tomee-buildpack,Appdynamics/java-buildpack,cloudfoundry/java-buildpack,tom-collings/jboss-buildpack,tom-collings/jboss-buildpack,rakutentech/java-buildpack,hmlingesh/java-buildpack,hmlingesh/java-buildpack,waltersve/java-buildpack,hmlingesh/java-buildpack,cloudfoundry/java-buildpack,rakutentech/java-buildpack,Appdynamics/java-buildpack,cloudfoundry-community/jboss-buildpack,waltersve/java-buildpack