tracing/filters: Cleanup useless headers

Cleanup remaining headers inclusion that were only useful when
the filter framework and its tracing related filesystem user interface
weren't yet separated.

v2: Keep module.h, needed for EXPORT_SYMBOL_GPL

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Li Zefan <lizf@cn.fujitsu.com>