Remove duplicate version (spack#47880)

Author: aurianer

var/spack/repos/builtin/packages/aws-ofi-nccl/package.py

@@ -28,7 +28,6 @@ class AwsOfiNccl(AutotoolsPackage):
     version("1.9.1", sha256="3ee01258674e70d6966eb6d319461f9b882afae618e217e0ae7ec03d26169b35")
     version("1.9.0", sha256="8d6d0469110a89b5431836d263860fb60fde7beccb26f553de41dca1feb61b51")
     version("1.8.1", sha256="beb59959be0f60b891f9549f4df51b394e97e739416c88c3436e75516fe067c8")
-    version("1.8.1", sha256="beb59959be0f60b891f9549f4df51b394e97e739416c88c3436e75516fe067c8")
     version("1.8.0", sha256="a2f1750d4908924985335e513186353d0c4d9a5d27b1a759f6aa31a10e74c06d")
     version("1.7.4", sha256="472bbc977ce37d0cf9239b8e366f4f247226a984eb8c487aadd884af53f00e13")
     version("1.7.3", sha256="7a49b530eb0fa5e262c1fcf3412289bc1d538c15290435c579d5e7f08d806fd4")