ARROW-11099: [Rust] Remove unsafe value_slice and raw_values methods from primitive and boolean arrays

[jhorstmann]

No description provided.

[codecov-io]

Codecov Report

Merging #9069 (161c473) into master (cc0ee5e) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #9069      +/-   ##
==========================================
+ Coverage   82.55%   82.56%   +0.01%     
==========================================
  Files         203      203              
  Lines       50043    50034       -9     
==========================================
  Hits        41313    41313              
+ Misses       8730     8721       -9     

Impacted Files	Coverage Δ
rust/arrow/src/array/array_boolean.rs	90.83% <ø> (+4.32%)	⬆️
rust/arrow/src/array/array_primitive.rs	92.32% <ø> (+0.68%)	⬆️

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[github-actions]

https://issues.apache.org/jira/browse/ARROW-11099

[jorgecarleitao]

Thanks @jhorstmann ! 🎉