chore: Fix some unstable lints

[aborgna-q]

Fix some lints that appear when compiling on nightly.
These are mostly double-import warnings due to importing things already included by use super::*.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.78%. Comparing base (76dcc80) to head (e8571b5).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #971   +/-   ##
=======================================
  Coverage   85.77%   85.78%           
=======================================
  Files          79       79           
  Lines       14407    14408    +1     
  Branches    14407    14408    +1     
=======================================
+ Hits        12358    12360    +2     
  Misses       1412     1412           
+ Partials      637      636    -1     

Flag	Coverage Δ
rust	85.78% <100.00%> (+<0.01%)	⬆️

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