Removed HDF5 group creation for tally moments
Removed HDF5 group creation for tally moments

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