-ignore performance test, shouldn't include in build.

Author: BalloonWen

src/test/java/com/networknt/schema/MaximumValidatorPerfTest.java

@@ -1,5 +1,6 @@
 package com.networknt.schema;
 
+import org.junit.Ignore;
 import org.junit.Test;
 
 import java.lang.annotation.Annotation;
@@ -9,7 +10,7 @@
 import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
-
+@Ignore
 public class MaximumValidatorPerfTest {
     MaximumValidatorTest test = new MaximumValidatorTest();