[torchlib] Fix registration typo in expm1

[justinchuby]

Also remove the default overload for unsafe_split because it does not exist.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.89%. Comparing base (b043acf) to head (6b3e679).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1736   +/-   ##
=======================================
  Coverage   74.88%   74.89%           
=======================================
  Files         245      245           
  Lines       26360    26358    -2     
  Branches     4793     4793           
=======================================
+ Hits        19741    19742    +1     
+ Misses       5697     5695    -2     
+ Partials      922      921    -1     

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[github-actions]

Test Results

     24 files  ±     0      24 suites  ±0   1h 50m 38s ⏱️ - 10m 55s
 13 930 tests ±     0  10 609 ✅  -     6    3 312 💤 ±     0   9 ❌ +7 
276 196 runs   - 17 590  68 957 ✅  - 2 584  207 222 💤  - 15 012  17 ❌ +7 

For more details on these failures, see this check.

Results for commit 6b3e679. ± Comparison against base commit b043acf.