Carl Baldwin e418cd0fb9 Remove two sets that are not referenced
The code no longer references the updated_routers and removed_routers
sets.  This should have been cleaned up before but was missed.

Change-Id: I0396e13d2f7c3789928e0c6a4c0a071b02d5ff17
2014-10-08 03:22:49 +00:00
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