Cleaning up vector index comments and exceptions

[KKcorps]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 0.00%. Comparing base (59551e4) to head (1ed1491).
Report is 443 commits behind head on master.

Files	Patch %	Lines
...nt/index/readers/vector/HnswVectorIndexReader.java	0.00%	3 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #13150       +/-   ##
=============================================
- Coverage     61.75%    0.00%   -61.76%     
=============================================
  Files          2436     2440        +4     
  Lines        133233   134216      +983     
  Branches      20636    20785      +149     
=============================================
- Hits          82274        0    -82274     
- Misses        44911   134216    +89305     
+ Partials       6048        0     -6048     

Flag	Coverage Δ
custom-integration1	?
integration	0.00% <0.00%> (-0.01%)	⬇️
integration1	?
integration2	0.00% <0.00%> (ø)
java-11	?
java-21	0.00% <0.00%> (-61.63%)	⬇️
skip-bytebuffers-false	0.00% <0.00%> (-61.75%)	⬇️
skip-bytebuffers-true	0.00% <0.00%> (-27.73%)	⬇️
temurin	0.00% <0.00%> (-61.76%)	⬇️
unittests	?
unittests1	?
unittests2	?

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.