Remove Project Template API

[mkuznyetsov]

Signed-off-by: Mykhailo Kuznietsov mkuznets@redhat.com

What does this PR do?

Remove unused Project Template service

What issues does this PR fix or reference?

#13903

Release Notes

Docs PR

[devstudio-release]

Your build is failure

E2E Happy path tests of Eclipse Che Single User on K8S (minikube v1.1.1) has failed:

• Build details
• docker image: docker.io/maxura/che-server:14109
• test artifacts
  https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.

[devstudio-release]

E2E Happy path tests of Eclipse Che Single User on K8S (minikube v1.1.1) has failed:

• Build details
• docker image: docker.io/maxura/che-server:14109
• test artifacts
  https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.

[musienko-maxim]

E2E Happy path tests of Eclipse Che Single User on K8S (minikube v1.1.1) has failed:

• Build details
• docker image: docker.io/maxura/che-server:14109
• test artifacts
  https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.

[musienko-maxim]

E2E Happy path tests of Eclipse Che Single User on K8S (minikube v1.1.1) has been successful:

• Build details
• docker image: docker.io/maxura/che-server:14109

[l0rd]

Removing label do-not-merge/hold. @mkuznyetsov can you rebase please?

[che-bot]

E2E Happy path tests of Eclipse Che Single User on K8S (minikube v1.1.1) has been successful:

• build details
• "che-server" docker image: maxura/che-server:14109

[che-bot]

E2E tests of Eclipse Che Multiuser on OCP has been successful:

• Build details
• Test report
• docker image: eclipseche/che-server:14109