trace-cmd: Remove single use cpu code (use multi for all)

Remove the single use "filter_cpu" code and have one or multiple
filtered cpus use the same code.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
LKML-Reference: <4D78A0A4.1040001@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
1 file changed