chore: сleanup metadata version 1

[eguguchkin]

• I have read and followed all requirements in CONTRIBUTING.md;
• I used LLM/AI assistance to make this pull request;

[github-actions]

❌ PR Title Validation Failed
Please refer to CONTRIBUTING.md

[codecov-commenter]

Codecov Report

❌ Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.49%. Comparing base (be85f33) to head (706e89c).

Files with missing lines	Patch %	Lines
indexer/meta_data.go	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #396      +/-   ##
==========================================
+ Coverage   71.45%   71.49%   +0.04%     
==========================================
  Files         219      219              
  Lines       16456    16448       -8     
==========================================
+ Hits        11759    11760       +1     
+ Misses       3826     3817       -9     
  Partials      871      871              

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[github-actions]

🔴 Performance Degradation

Some benchmarks have degraded compared to the previous run.
Click on Show table button to see full list of degraded benchmarks.

Show table

Name	Previous	Current	Ratio	Verdict
MutexListAppend-4	5115f7	318f83
	196.07 MB/s	172.65 MB/s	0.88	🔴
	83287562.00 ns/op	92674363.00 ns/op	1.11	🔴