perf: Only include annotate.h once in tools/perf/util/ui/browsers/annotate.c

Including "../../annotate.h" once in
tools/perf/util/ui/browsers/annotate.c is enough. No need to do it twice.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>