Reverting #6019: Workaround for ImageStreamTags issue on OpenShift 3.6

[ibuziuk]

Reverting #6019
On OSIO keep getting failure during workspace creation if there are more than one is presented:

2017-08-17 11:02:10,307[aceSharedPool-6]  [ERROR] [o.e.c.a.w.s.WorkspaceManager 780]    - Multiple ImageStreamTags found for name latest
--
  | org.eclipse.che.api.core.ServerException: Multiple ImageStreamTags found for name latest
  | at org.eclipse.che.api.environment.server.CheEnvironmentEngine.startInstance(CheEnvironmentEngine.java:1012)
  | at org.eclipse.che.api.environment.server.CheEnvironmentEngine.startEnvironmentQueue(CheEnvironmentEngine.java:813)
  | at org.eclipse.che.api.environment.server.CheEnvironmentEngine.start(CheEnvironmentEngine.java:268)
  | at org.eclipse.che.api.workspace.server.WorkspaceRuntimes.startEnvironmentAndPublishEvents(WorkspaceRuntimes.java:712)
  | at org.eclipse.che.api.workspace.server.WorkspaceRuntimes.access$100(WorkspaceRuntimes.java:106)
  | at org.eclipse.che.api.workspace.server.WorkspaceRuntimes$StartTask.call(WorkspaceRuntimes.java:977)
  | at org.eclipse.che.api.workspace.server.WorkspaceRuntimes$StartTask.call(WorkspaceRuntimes.java:941)
  | at org.eclipse.che.commons.lang.concurrent.CopyThreadLocalCallable.call(CopyThreadLocalCallable.java:30)
  | at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  | at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  | at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  | at java.lang.Thread.run(Thread.java:748)
  | Caused by: org.eclipse.che.api.core.ServerException: Multiple ImageStreamTags found for name latest
  | at org.eclipse.che.plugin.docker.machine.MachineProviderImpl.startService(MachineProviderImpl.java:395)
  | at org.eclipse.che.api.environment.server.CheEnvironmentEngine.lambda$startEnvironmentQueue$6(CheEnvironmentEngine.java:785)
  | at org.eclipse.che.api.environment.server.CheEnvironmentEngine.startInstance(CheEnvironmentEngine.java:952)
  | ... 11 common frames omitted
  | Caused by: org.eclipse.che.plugin.openshift.client.exception.OpenShiftException: Multiple ImageStreamTags found for name latest
  | at org.eclipse.che.plugin.openshift.client.OpenShiftConnector.getImageStreamTagFromRepo(OpenShiftConnector.java:1083)
  | at org.eclipse.che.plugin.openshift.client.OpenShiftConnector.inspectContainer(OpenShiftConnector.java:593)
  | at org.eclipse.che.plugin.docker.machine.MachineProviderImpl.checkContainerIsRunning(MachineProviderImpl.java:701)
  | at org.eclipse.che.plugin.docker.machine.MachineProviderImpl.startService(MachineProviderImpl.java:350)
  | ... 13 common frames omitted

[codenvy-ci]

Can one of the admins verify this patch?

[codenvy-ci]

Can one of the admins verify this patch?

[riuvshin]

ci-build

[codenvy-ci]

Build success. https://ci.codenvycorp.com/job/che-pullrequests-build/3420/

[amisevsk]

That's very frustrating, and another argument for getting rid of ImageStreamTags entirely.