It was not packaged in the bundle nor made available outside of this repository.
As of Bonita 7.10.0, it is now hosted in its own repository:
https://github.com/bonitasoft/bonita-user-application

* feat(wildfly removal): remove WildFly bundle from distrib

* Also remove CAS config module for WildFly

* Simplify structure, now that there is only Tomcat

Relates to [BR-158](https://bonitasoft.atlassian.net/browse/BR-158) &
[BR-159](https://bonitasoft.atlassian.net/browse/BR-159)

* feat(user application) user application artifact

- provide user application artifact containing application descriptor
- do not layout and theme as they are already maven dependencies

Covers [BPO-94](https://bonitasoft.atlassian.net/browse/BPO-94)

Previous implementation used a dedicated download mechanism: retrieve
them from download sites (but without checksum checks), cache them locally
and detect if they were available locally.

New implementation relies on the Maven dependency resolution. This
  - makes the pom simpler (no antrun task, nor dedicated caching), in particular
  remove dependency on ant-contrib
  - cache, checksum checks are deferred to Maven --> safer builds

In addition, fix community tomcat assembly (remove leading /) that were
useless and generated warning when building on windows

Plus some minor fixes:
  - fix warning generated by parent not in the root folder (set no relative
     path)
  - set encoding to UTF-8 for reproducible builds
  - wildfly bundle community: remove the deploy plugin configuration as
     it is managed at top level globally in the parent of the project and
     configured using a property set to not deploy the module
  - git ignore: correctly ignore node resources


Covers [BS-19060](https://bonitasoft.atlassian.net/browse/BS-19060)

* Ensure that the parent of the sp pom is the community pom
* duplicate maven-deploy-plugin config in parent pom else it doesn't work

* Ensure that the parent of the sp pom is the community pom
* duplicate maven-deploy-plugin config in parent pom else it doesn't work

This is the only resources required by the Studio and the Docker projects
so avoid to store extra resources (wildfly, themes, ...)

Relates to [CI-346](https://bonitasoft.atlassian.net/browse/CI-346)