Update composer.json

composer.json

@@ -25,8 +25,7 @@
         "ext-sockets": "*"
     },
     "suggest": {
-		"ext-libevent": "Really it's a requirement for normal work."
+	"ext-libevent": "Really it's a requirement for normal work."
     },
-    "bin": ["workerman/bin/workermand"],
     "minimum-stability":"dev"
 }