rename pay to payment module

wfc-modules/wfc-payment/src/main/java/org/wfc/payment/WfcPaymentApplication.java

@@ -30,6 +30,6 @@ public class WfcPayApplication
     public static void main(String[] args)
     {
         SpringApplication.run(WfcPayApplication.class, args);
-        System.out.println("(♥◠‿◠)ﾉﾞ  Pay module startup  ლ(´ڡ`ლ)ﾞ  \n");
+        System.out.println("(♥◠‿◠)ﾉﾞ  Payment module startup  ლ(´ڡ`ლ)ﾞ  \n");
     }
 }