Clean up unused imports

src/main/java/spark/utils/CollectionUtils.java

@@ -17,7 +17,6 @@
 package spark.utils;
 
 import java.util.Collection;
-import java.util.Map;
 
 /**
  * Miscellaneous collection utility methods.

src/test/java/spark/GzipTest.java

@@ -27,7 +27,6 @@
 
 import static org.junit.Assert.assertEquals;
 import static spark.Spark.awaitInitialization;
-import static spark.Spark.staticFileLocation;
 import static spark.Spark.stop;
 
 /**

src/test/java/spark/embeddedserver/jetty/websocket/WebSocketCreatorFactoryTest.java

@@ -10,7 +10,6 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
-import static org.powermock.api.mockito.PowerMockito.mockStatic;
 
 public class WebSocketCreatorFactoryTest {
 

src/test/java/spark/examples/filter/FilterExampleAttributes.java

@@ -21,10 +21,6 @@
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import spark.Filter;
-import spark.Request;
-import spark.Response;
-import spark.Route;
 
 /**
  * Example showing the use of attributes

src/test/java/spark/examples/session/SessionExample.java

@@ -3,10 +3,6 @@
 import static spark.Spark.get;
 import static spark.Spark.post;
 
-import spark.Request;
-import spark.Response;
-import spark.Route;
-
 public class SessionExample {
     private static final String SESSION_NAME = "username";
 

src/test/java/spark/examples/simple/SimpleExample.java

@@ -17,7 +17,6 @@
 package spark.examples.simple;
 
 import static spark.Spark.*;
-import static spark.Spark.post;
 
 /**
  * A simple example just showing some basic functionality

src/test/java/spark/utils/CollectionUtilsTest.java

@@ -4,7 +4,6 @@
 
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Set;
 
 import static org.junit.Assert.*;
 

src/test/java/spark/utils/SparkUtilsTest.java

@@ -1,7 +1,6 @@
 package spark.utils;
 
 import org.junit.Test;
-import spark.Spark;
 
 import java.util.Arrays;
 import java.util.List;