[Buildbot] #2842: drop old-style steps

[Buildbot trac]

#2842: drop old-style steps
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Reporter:  dustin       |      Owner:  dustin
    Type:  enhancement  |     Status:  new
Priority:  major        |  Milestone:  0.9.0
 Version:  0.8.9        |   Keywords:
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 In 0.9.0, these steps will no longer be supported.

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Ticket URL: <http://trac.buildbot.net/ticket/2842>
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Buildbot: build/test automation