ftrace: Remove an unneeded condition

We know that "mod_matches" is true here so there is no need to check
again.

Link: http://lkml.kernel.org/r/20170331152130.GA4947@mwanda

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

kernel/trace/ftrace.c

@@ -3644,7 +3644,7 @@ ftrace_match_record(struct dyn_ftrace *rec, struct ftrace_glob *func_g,
 				return 0;
 		}
 
-		if (mod_matches && exclude_mod)
+		if (exclude_mod)
 			return 0;
 
 func_match: