This commit replaces the SSH key-specific code in favor of resetting
panel forms when closed, which thus carries the same behavior over to
the GPG key field.
- Switched to plain JavaScript
- Tested the SSH key title functionality and it works as before
# Demo using JavaScript without jQuery

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Signed-off-by: Yarden Shoham <git@yardenshoham.com>
Co-authored-by: silverwind <me@silverwind.io>
(cherry picked from commit 236e12184404998c8edf7efa6de7fccf9d0ee814)