[Chapel Merge] SpellChecking.rst: drop references to files that n

Branch: refs/heads/main
Revision: 4ba76d6
Author: lydia-duncan
Link: Unavailable
Log Message:

Merge pull request #19515 from cassella/refresh-SpellChecking.rst

SpellChecking.rst: drop references to files that no longer exist
[contributed by @cassella, reviewed by Lydia]

SpellChecking.rst: drop references to files that no longer exist

Double-checked built documentation

Modified Files:
M doc/rst/developer/bestPractices/SpellChecking.rst

Compare: https://github.com/chapel-lang/chapel/compare/9606d29df454...4ba76d63f92c