refactor: remove v2 from endpoint requests

[brenopolanski]

Summary

Waiting for the merge of this PR: ArkEcosystem/typescript-peers#51

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

Merging #1913 into develop will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop    #1913   +/-   ##
========================================
  Coverage    58.93%   58.93%           
========================================
  Files          372      372           
  Lines         9308     9308           
  Branches      1932     1932           
========================================
  Hits          5486     5486           
  Misses        3595     3595           
  Partials       227      227           

Impacted Files	Coverage Δ
src/renderer/store/modules/peer.js	67.52% <ø> (ø)
src/renderer/services/client.js	96.41% <100.00%> (ø)

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