exchange: drop unused '_getbookmarks' function
The function was introduced in
8491845a75b2 in mid-November 2016 but is never
used anywhere in core.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true