internal: Remove unused package

[vangent]

No description provided.

[codecov]

Codecov Report

Merging #3167 (8e08a5e) into master (2c69298) will increase coverage by 0.05%.
The diff coverage is 63.63%.

@@            Coverage Diff             @@
##           master    #3167      +/-   ##
==========================================
+ Coverage   72.78%   72.84%   +0.05%     
==========================================
  Files         113      112       -1     
  Lines       14388    14388              
==========================================
+ Hits        10473    10481       +8     
+ Misses       3189     3180       -9     
- Partials      726      727       +1     

Impacted Files	Coverage Δ
blob/fileblob/fileblob.go	81.97% <63.63%> (-0.50%)	⬇️
blob/s3blob/s3blob.go	89.71% <0.00%> (+0.27%)	⬆️
internal/retry/retry.go	100.00% <0.00%> (+11.76%)	⬆️

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