fix: Assorted Vault fixes

[mvadari]

High Level Overview of Change

This PR fixes a bunch of log-line typos and removes a line of dead code.

Context of Change

AI code review

API Impact

N/A

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.4%. Comparing base (0eedefb) to head (a521bde).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff           @@
##           develop   #6607   +/-   ##
=======================================
  Coverage     81.4%   81.4%           
=======================================
  Files          997     997           
  Lines        74410   74409    -1     
  Branches      7562    7555    -7     
=======================================
+ Hits         60598   60606    +8     
+ Misses       13812   13803    -9     

Files with missing lines	Coverage Δ
src/libxrpl/ledger/View.cpp	96.1% <ø> (ø)
src/libxrpl/ledger/helpers/VaultHelpers.cpp	100.0% <100.0%> (ø)
src/libxrpl/tx/transactors/vault/VaultDelete.cpp	91.2% <ø> (-0.2%)	⬇️

... and 6 files with indirect coverage changes

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