Remove LK adjoint test skip

[josephleekl]

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---

Context:
Some tests in Adjoint Jacobian were previously skipped for Lightning Kokkos (before native controlled gates were implemented).

Description of the Change:
The pytest skips are removed.

Benefits:

Possible Drawbacks:

Related GitHub Issues:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.70%. Comparing base (25e6517) to head (a9f729d).
Report is 1 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (25e6517) and HEAD (a9f729d). Click for more details.

HEAD has 35 uploads less than BASE

Flag	BASE (25e6517)	HEAD (a9f729d)
	43	8

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1048      +/-   ##
==========================================
- Coverage   98.10%   92.70%   -5.40%     
==========================================
  Files         233      112     -121     
  Lines       39079    16990   -22089     
==========================================
- Hits        38339    15751   -22588     
- Misses        740     1239     +499     

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