perf evlist: Remove unused perf_evlist__fprintf() method

Ditch it, noone is using it, one more stdio.h include in a hot header.

Fix the fallout in parse-events.y, where we end up using a FILE pointer,
I think due to YYDEBUG being set and in some places, like Amazon Linux 1
we don't get stdio.h included by luck, like in most other places, add a
explicit stdio.h include directive.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-37k5q0lhdbo2hvvfbnnzn7og@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/parse-events.y

@@ -9,6 +9,7 @@
 #define YYDEBUG 1
 
 #include <fnmatch.h>
+#include <stdio.h>
 #include <linux/compiler.h>
 #include <linux/list.h>
 #include <linux/types.h>