* removed gfx940 and gfx941
* removed gfx940 and gfx941
* Update "gfx94" to "gfx942" in init.cc
* Updated remaining "gfx94" updates to "gfx942"
* Update filenames and variables from gfx940 to gfx942
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Co-authored-by: akolliasAMD <akollias@amd.com>
[ROCm/rccl commit: 6505639cf4]