D2108: infinitepush: drop the `--to` flag to push and use `-B` instead

[pulkit (Pulkit Goyal)]

pulkit added a comment.


  In https://phab.mercurial-scm.org/D2108#35150, @indygreg wrote:
  
  > I'm find with you sending more parts to this series. Especially if they delete code: if they delete code then my review of the import will be a review of the final state of the code post deletions.
  
  
  With discussions on https://phab.mercurial-scm.org/D2096 and this patch, understanding your requirements, I think the wrapping of push command, the scratchbranchparttype bundle2 part etc. will be useful. So, can you review the current series with this patch as the last one?

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2108

To: pulkit, #hg-reviewers, indygreg
Cc: indygreg, durham, mercurial-devel