refactor: remove destroy witness

[chungquantin]

Remove the witness data required as parameter from destroy() dispatchable function of nonfungibles pallet.

• Pros: Improve developer experience.
• Cons: Pre-dispatch weight charged up to u32::MAX.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (chungquantin/feat-main_pallet_nonfungibles@bd14977). Learn more about missing BASE report.

@@                              Coverage Diff                              @@
##             chungquantin/feat-main_pallet_nonfungibles     #445   +/-   ##
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  Coverage                                              ?   73.81%           
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  Files                                                 ?       77           
  Lines                                                 ?    15019           
  Branches                                              ?    15019           
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  Hits                                                  ?    11087           
  Misses                                                ?     3659           
  Partials                                              ?      273           

Files with missing lines	Coverage Δ
pallets/api/src/nonfungibles/mod.rs	88.88% <100.00%> (ø)
pallets/api/src/nonfungibles/tests.rs	99.80% <100.00%> (ø)
runtime/devnet/src/config/api/mod.rs	90.97% <100.00%> (ø)