Ctrl + backspace is an overwhelmingly common keybind for clearing the
word before the cursor. Meanwhile, clearing the current line is not as
common a keybind, so having an unset default is more sensible here for
users to decide for themselves what keybind they would prefer.
This adds an issue form geared specifically toward bug reports, and
links to GitHub discussions for feature requests and enhancements
instead, with the mindset of improving intake triage.