refactor: simplify import statements in JsonSimpleSerializer and DefaultCmabServiceTest

Author: FarhanAnjum-opti

core-api/src/main/java/com/optimizely/ab/event/internal/serializer/JsonSimpleSerializer.java

@@ -16,19 +16,13 @@
  */
 package com.optimizely.ab.event.internal.serializer;
 
-import java.util.List;
-import java.util.Map;
+import com.optimizely.ab.event.internal.payload.*;
 
 import org.json.simple.JSONArray;
 import org.json.simple.JSONObject;
 
-import com.optimizely.ab.event.internal.payload.Attribute;
-import com.optimizely.ab.event.internal.payload.Decision;
-import com.optimizely.ab.event.internal.payload.DecisionMetadata;
-import com.optimizely.ab.event.internal.payload.Event;
-import com.optimizely.ab.event.internal.payload.EventBatch;
-import com.optimizely.ab.event.internal.payload.Snapshot;
-import com.optimizely.ab.event.internal.payload.Visitor;
+import java.util.List;
+import java.util.Map;
 
 @SuppressWarnings("unchecked")
 class JsonSimpleSerializer implements Serializer {

core-api/src/test/java/com/optimizely/ab/cmab/DefaultCmabServiceTest.java

@@ -16,14 +16,7 @@
 package com.optimizely.ab.cmab;
 
 import java.lang.reflect.Method;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;