PMM-9510 Remove tail from job

[anton-bystrov]

PMM-9510 PMM-9399 PMM-8070

This changes fix issue with duplicate metrics after restart agent. Root reason of this is staleness metric Link1 Link2 Link3 Link4

• submodules FB

[it-percona-cla]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #994 (e82659d) into main (c1c142e) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #994   +/-   ##
=======================================
  Coverage   48.69%   48.69%           
=======================================
  Files         181      181           
  Lines       21257    21257           
=======================================
  Hits        10351    10351           
  Misses       9768     9768           
  Partials     1138     1138           

Flag	Coverage Δ
all	48.35% <100.00%> (ø)
cover	48.82% <100.00%> (ø)
crosscover	48.69% <100.00%> (ø)
update	12.84% <ø> (ø)

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

Impacted Files	Coverage Δ
services/victoriametrics/scrape_configs.go	80.05% <100.00%> (ø)

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