bosserver: Remove a couple of dead assignments

Remove a couple of places where we initialise a variable, only to
assign a new value to it a few lines later.

Caught by clang-analyzer

Change-Id: I096b80cce851f3494475e6f9683715b081ff8375
Reviewed-on: http://gerrit.openafs.org/9208
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
vlserver: Remove dead assignment

Don't assign the serverNumber to j, when we're just about to try
and get it from a multi homed extent record

Caught by clang-analyzer.

Change-Id: I79349ff211b5df2d16e6ee9122dbb28b04ad7823
Reviewed-on: http://gerrit.openafs.org/9228
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>