hmp: Remove deprecated 'singlestep' command

This command has been deprecated before the 8.1 release,
in commit e9ccfdd91d ("hmp: Add 'one-insn-per-tb' command
equivalent to 'singlestep'"). Time to drop it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: "Dr. David Alan Gilbert" <dave@treblig.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240117151430.29235-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
4 files changed