Update docs version. Fix checkstyle

Author: jameskleeh

gradle.properties

@@ -51,7 +51,7 @@ micronautGroovyVersion=1.1.0
 micronautLiquibase=1.0.1
 micronautFlyway=1.0.0
 micronautElasticsearch=1.0.0
-micronautDocsVersion=1.0.0.RC1
+micronautDocsVersion=1.0.2
 micronautOpenApi=1.1.1
 micronautSecurityVersion=1.1.1
 junit5Version=5.3.1

runtime/src/main/java/io/micronaut/discovery/CompositeDiscoveryClient.java

@@ -18,7 +18,6 @@
 import io.micronaut.core.naming.NameUtils;
 import io.micronaut.core.util.ArrayUtils;
 import io.reactivex.Flowable;
-import io.reactivex.Maybe;
 import io.reactivex.Single;
 
 import java.io.IOException;
@@ -27,7 +26,6 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
-import java.util.stream.Stream;
 
 /**
  * A composite implementation combining all registered {@link DiscoveryClient} instances.