D6553: shelve: move shelve extension to core

[navaneeth.suresh (Navaneeth Suresh)]

navaneeth.suresh added a comment.


  In D6553#96119 <https://phab.mercurial-scm.org/D6553#96119>, @yuja wrote:
  
  > Need to update `extensions._builtin` so the shelve "extension" is silently
  > ignored.
  > Please send a follow up.
  
  Doing that right away! Thanks @yuja!

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D6553/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D6553

To: navaneeth.suresh, #hg-reviewers, pulkit
Cc: yuja, martinvonz, pulkit, Kwan, mjpieters, mercurial-devel