kdb: Remove fallback interpretation of arbitrary numbers as hex

Remove logic that enables a fallback of interpreting numbers supplied in KDB CLI
to be interpreted as hex without explicit "0x" prefix as this can be confusing
for the end users.

Suggested-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Nir Lichtman <nir@lichtman.org>
Link: https://lore.kernel.org/r/20241028192228.GC918454@lichtman.org


Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>