bootconfig: Remove unused debug function

Remove unused xbc_debug_dump() from bootconfig for clean up
the code.

Link: https://lkml.kernel.org/r/163187297371.2366983.12943349701785875450.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2 files changed