trace-cmd library: Remove APIs for create and init output handle

These APIs are redundant, their functionality can be replaced by
existing library APIs. Removed them, to simplify the API set:
  tracecmd_create_init_fd()
  tracecmd_create_init_file()

Link: https://lore.kernel.org/linux-trace-devel/20211202121949.43084-5-tz.stoyanov@gmail.com

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
3 files changed