chore: remove leftover flag.Parse()

[atzoum]

Description

Fixing a regression introduced by #2379

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[codecov]

Codecov Report

Base: 43.87% // Head: 43.82% // Decreases project coverage by -0.04% ⚠️

Coverage data is based on head (e8f5257) compared to base (cb230b0).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2643      +/-   ##
==========================================
- Coverage   43.87%   43.82%   -0.05%     
==========================================
  Files         187      187              
  Lines       40024    40038      +14     
==========================================
- Hits        17560    17547      -13     
- Misses      21368    21393      +25     
- Partials     1096     1098       +2     

Impacted Files	Coverage Δ
router/router.go	74.20% <0.00%> (-0.62%)	⬇️
router/transformer/transformer.go	66.66% <ø> (ø)
enterprise/reporting/setup.go	38.09% <0.00%> (-14.29%)	⬇️
config/backend-config/namespace_config.go	70.83% <0.00%> (-3.13%)	⬇️
enterprise/reporting/reporting.go	8.33% <0.00%> (-1.44%)	⬇️
services/rsources/handler.go	69.72% <0.00%> (-1.39%)	⬇️
services/stats/stats.go	90.30% <0.00%> (+1.81%)	⬆️

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