mqtt plugin: remove unused include

diff --git a/src/mqtt.c b/src/mqtt.c
index dbef915..7516db4 100644 (file)
--- a/src/mqtt.c
+++ b/src/mqtt.c
@@ -33,7 +33,6 @@
 #include "collectd.h"
 #include "common.h"
 #include "plugin.h"
-#include "utils_cache.h"
 #include "utils_complain.h"
 
 #include <mosquitto.h>