cmake: use modern HIP language

[njzjz]

Use modern HIP language instead of hip_add_library.
Use modern find_package to find hip and hipcub instead of FindROCM.cmake (which is removed in this PR).

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (c2c6476) 75.38% compared to head (1782955) 75.38%.
Report is 1 commits behind head on devel.

Additional details and impacted files

@@           Coverage Diff           @@
##            devel    #2857   +/-   ##
=======================================
  Coverage   75.38%   75.38%           
=======================================
  Files         242      242           
  Lines       24424    24424           
  Branches     1580     1580           
=======================================
  Hits        18411    18411           
  Misses       5082     5082           
  Partials      931      931           

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