Cleanup some imports

Author: wjglerum

code/exercise_014_Internal_Channels/src/main/java/com/lunatech/training/quarkus/ProductsResource.java

@@ -11,7 +11,6 @@
 
 import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
-import java.util.List;
 
 @Path("/products")
 @Produces(MediaType.APPLICATION_JSON)

code/exercise_014_Internal_Channels/src/test/java/com/lunatech/training/quarkus/ProductsResourceTest.java

@@ -7,7 +7,6 @@
 import org.junit.jupiter.api.Test;
 
 import static io.restassured.RestAssured.given;
-import static org.hamcrest.CoreMatchers.containsString;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 @QuarkusTest