tools/power turbostat: regression fix: --show C1E%

The new default idle counter groupings broke "--show C1E%" (or any other C-state %)

Also delete a stray debug printf from the same offending commit.

Reported-by: Zhang Rui <rui.zhang@intel.com>
Fixes: ec4acd31 ("tools/power turbostat: disable "cpuidle" invocation counters, by default")
Signed-off-by: Len Brown <len.brown@intel.com>