Minor code cleanup

Author: oschwald

src/main/java/com/maxmind/geoip2/WebServiceClient.java

@@ -432,10 +432,10 @@ private String userAgent() {
                 + " (Java/" + System.getProperty("java.version") + ")";
     }
 
-    @Override
     /**
      * Close any open connections and return resources to the system.
      */
+    @Override
     public void close() throws IOException {
         httpClient.close();
     }

src/main/java/com/maxmind/geoip2/model/AbstractCityResponse.java

@@ -67,7 +67,7 @@ public Postal getPostal() {
      * returns an empty array.
      */
     public List<Subdivision> getSubdivisions() {
-        return new ArrayList<Subdivision>(this.subdivisions);
+        return new ArrayList<>(this.subdivisions);
     }
 
     /**

src/main/java/com/maxmind/geoip2/record/AbstractNamedRecord.java

@@ -57,6 +57,6 @@ public String getName() {
      */
     @JsonProperty("names")
     public Map<String, String> getNames() {
-        return new HashMap<String, String>(this.names);
+        return new HashMap<>(this.names);
     }
 }

src/main/java/com/maxmind/geoip2/record/Postal.java

@@ -1,6 +1,3 @@
-/**
- *
- */
 package com.maxmind.geoip2.record;
 
 import com.fasterxml.jackson.annotation.JsonProperty;