Disable clock-skew-adjustment by default.

[jpkrohling]

Signed-off-by: Juraci Paixão Kröhling juraci@kroehling.de

Which problem is this PR solving?

• Fixes Clock Skew Adjuster considered harmful #1459

Short description of the changes

• Changed the default value for the flag query.max-clock-skew-adjustment to 0s.

[codecov]

Codecov Report

Merging #2513 into master will decrease coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2513      +/-   ##
==========================================
- Coverage   95.21%   95.18%   -0.04%     
==========================================
  Files         208      208              
  Lines        9158     9158              
==========================================
- Hits         8720     8717       -3     
- Misses        363      365       +2     
- Partials       75       76       +1     

Impacted Files	Coverage Δ
cmd/query/app/flags.go	100.00% <100.00%> (ø)
cmd/query/app/server.go	88.52% <0.00%> (-1.64%)	⬇️
plugin/storage/integration/integration.go	77.34% <0.00%> (-0.56%)	⬇️

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