Disable go modules

[aledbf]

What this PR does / why we need it:

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

Special notes for your reviewer:

[k8s-ci-robot]

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[codecov-io]

Codecov Report

Merging #4583 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #4583      +/-   ##
=========================================
- Coverage   58.61%   58.6%   -0.02%     
=========================================
  Files          88      88              
  Lines        6701    6701              
=========================================
- Hits         3928    3927       -1     
+ Misses       2340    2339       -1     
- Partials      433     435       +2

Impacted Files	Coverage Δ
internal/ingress/metric/collectors/process.go	88.29% <0%> (-2.13%)	⬇️
internal/watch/file_watcher.go	84.61% <0%> (+3.84%)	⬆️

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[ElvinEfendi]

Was it causing an issue?

[aledbf]

Was it causing an issue?

Not using the vendor directory, and downloading the dependencies, even when we already have all in git