Remove duplication of the -ldflags in the builder.

[dzmitryhil]

Description

Remove duplication of the -ldflags in the builder.

Reviewers checklist:

• Try to write more meaningful comments with clear actions to be taken.
• Nit-picking should be unblocking. Focus on core issues.

Authors checklist

• Provide a concise and meaningful description
• Review the code yourself first, before making the PR.
• Annotate your PR in places that require explanation.
• Think and try to split the PR to smaller PR if it is big.

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This change is 

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.81%. Comparing base (a3cb359) to head (7bca45c).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #811   +/-   ##
=======================================
  Coverage   36.81%   36.81%           
=======================================
  Files         165      165           
  Lines       48956    48956           
=======================================
  Hits        18021    18021           
  Misses      27531    27531           
  Partials     3404     3404           

Flag	Coverage Δ
coreum	32.46% <ø> (ø)
coreum-integration-tests-modules	22.81% <ø> (-0.03%)	⬇️

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[miladz68]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @masihyeganeh, @wojtek-coreum, and @ysv)

[ysv]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @masihyeganeh and @wojtek-coreum)

[ysv]

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @masihyeganeh and @wojtek-coreum)

[miladz68]

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @masihyeganeh and @wojtek-coreum)