removes unused import (#1978)

KevinDeveloper · liufangtao · web-flow · commit df9720cf8572 · 2021-01-11T12:05:55.000-05:00
Co-authored-by: liufangtao &lt;liufangtao@xiaomi.com&gt;
diff --git a/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/route/builder/PredicateSpec.java b/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/route/builder/PredicateSpec.java
@@ -18,7 +18,6 @@
 
 import java.time.ZonedDateTime;
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.function.Function;
 import java.util.function.Predicate;
 
