Build master against mainnet nodes

[sabau]

Description:

• Circle will build against mainnet by default on master

Thank you! 🚀

---

For contributor:

• Added entries in PENDING.md with issue # and GitHub username
• Reviewed Files changed in the github PR explorer
• Attach screenshots of the UI components on the PR description (if applicable)
• Scope of work approved for big PRs

For reviewer:

• Manually tested the changes on the UI

[codecov]

Codecov Report

Merging #2291 into develop will decrease coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #2291      +/-   ##
===========================================
- Coverage    96.74%   96.74%   -0.01%     
===========================================
  Files          106      106              
  Lines         2306     2304       -2     
  Branches       116      116              
===========================================
- Hits          2231     2229       -2     
  Misses          63       63              
  Partials        12       12

Impacted Files	Coverage Δ
app/src/renderer/vuex/modules/session.js	100% <0%> (ø)	⬆️

[sabau]

I've launched a build against this branch with the same filter
test it