Remove support for ODIN machine (#782)

ODIN was retired.

Fixes #779.

Author: GeorgeGayno-NOAA

modulefiles/build.odin.intel

@@ -87,8 +87,6 @@ elif [[ -d /lustre && -d /ncrc ]] ; then
 elif [[ "$(hostname)" =~ "Orion" ]]; then
     target="orion"
     module purge
-elif [[ "$(hostname)" =~ "odin" ]]; then
-    target="odin"
 elif [[ -d /work/00315 && -d /scratch/00315 ]] ; then
     target=stampede
     module purge