Remove duplicate buildrun logs command

[SaschaSchwarze0]

Changes

When running shp buildrun help, then the logs subcommand was listed twice:

$ shp buildrun help
Manage BuildRuns

Usage:
  shp buildrun [flags]
  shp buildrun [command]

Aliases:
  buildrun, br

Available Commands:
  cancel      Cancel BuildRun
  create      Creates a BuildRun instance.
  list        List Builds
  logs        See BuildRun log output
  logs        See BuildRun log output

[...]

Fixing this.

Submitter Checklist

• Includes tests if functionality changed/was added
• Includes docs if changes are user-facing
• Set a kind label on this PR
• Release notes block has been filled in, or marked NONE

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Release Notes

`shp buildrun help` now only lists the logs sub-command once rather than twice

[gabemontero]

/approve
/lgtm

[openshift-ci]

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