D6987: strip: move strip extension to core as debugstrip

[pulkit (Pulkit Goyal)]

pulkit added inline comments.

INLINE COMMENTS

> strip.py:3
>  
> -This extension allows you to strip changesets and all their descendants from the
> -repository. See the command help for details.
> +strip extension has been renamed to debugstrip and moved to core. However,
> +this extension is to preserve the old `strip` name forusers that are used

the documentation should be left as it is.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D6987/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D6987

To: navaneeth.suresh, durin42, #hg-reviewers
Cc: pulkit, marmoute, mjpieters, mercurial-devel