[DynInst_API:] [dyninst/dyninst] 24f497: Remove Symtab::changeSymbolOffset

[Tim Haines <noreply@xxxxxxxxxx>]

  Branch: refs/heads/thaines/remove_symtab_changeSymbolOffset
  Home:   https://github.com/dyninst/dyninst
  Commit: 24f4972060b2903b4bcf2109dec6beaeec01e62b
      https://github.com/dyninst/dyninst/commit/24f4972060b2903b4bcf2109dec6beaeec01e62b
  Author: Tim Haines <thaines.astro@xxxxxxxxx>
  Date:   2023-10-08 (Sun, 08 Oct 2023)

  Changed paths:
    M symtabAPI/h/Symtab.h
    M symtabAPI/src/Symtab-edit.C

  Log Message:
  -----------
  Remove Symtab::changeSymbolOffset

It is never used. Not a breaking change as it's private.

I have left the function of the same name in Aggregate because it's
protected, there is a virtual dtor, and that class is accessible by
users. It's possible that someone is using it.