revert: use circleci v2.1 (#19456)
revert: use circleci v2.1 (#19456)

This reverts commit d45694dcb077133728a58813743f142ba12396c1.
gerhardberger/electron,electron/electron,bpasero/electron,seanchas116/electron,seanchas116/electron,electron/electron,bpasero/electron,electron/electron,bpasero/electron,seanchas116/electron,electron/electron,seanchas116/electron,gerhardberger/electron,gerhardberger/electron,bpasero/electron,electron/electron,gerhardberger/electron,seanchas116/electron,gerhardberger/electron,electron/electron,electron/electron,bpasero/electron,seanchas116/electron,bpasero/electron,bpasero/electron,gerhardberger/electron,gerhardberger/electron