* Check the correct variable
* Fix table access
In every other use of _private.keybindings in this file, the key is a
string, not an awful.key
* Simplify code
key.key is always defined
* Add tests
* add(spec) add_keybinding unit test
* Revert "Add tests"
This reverts commit 808b17cd5c.
Co-authored-by: Aire-One <aireone@aireone.xyz>