trace-cmd extract: Always read BTF file if available

On extract, always read the btf file as it isn't known yet if it will be
needed or not.

Link: https://lore.kernel.org/20260204011629.2135260-2-rostedt@goodmis.org
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
1 file changed