Removed unused variable
Removed unused variable

wbinventor/openmc,paulromano/openmc,liangjg/openmc,mit-crpg/openmc,liangjg/openmc,lilulu/openmc,lilulu/openmc,paulromano/openmc,mit-crpg/openmc,samuelshaner/openmc,walshjon/openmc,amandalund/openmc,nhorelik/openmc,smharper/openmc,paulromano/openmc,lilulu/openmc,kellyrowland/openmc,bhermanmit/openmc,paulromano/openmc,amandalund/openmc,wbinventor/openmc,shikhar413/openmc,nhorelik/openmc,mit-crpg/openmc,walshjon/openmc,liangjg/openmc,johnnyliu27/openmc,walshjon/openmc,samuelshaner/openmc,wbinventor/openmc,johnnyliu27/openmc,shikhar413/openmc,smharper/openmc,smharper/openmc,kellyrowland/openmc,mjlong/openmc,bhermanmit/openmc,johnnyliu27/openmc,samuelshaner/openmc,sxds/opemmc,samuelshaner/openmc,johnnyliu27/openmc,wbinventor/openmc,amandalund/openmc,amandalund/openmc,liangjg/openmc,mjlong/openmc,walshjon/openmc,mit-crpg/openmc,sxds/opemmc,shikhar413/openmc,smharper/openmc,shikhar413/openmc