fix jetty test version

pom.xml

@@ -81,7 +81,6 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
-		<jetty.version>9.2.16.v20160414</jetty.version>
 		<github.global.server>github</github.global.server>
 		<github.global.oauth2Token>${env.GITHUB_OAUTH_TOKEN}</github.global.oauth2Token>
 	</properties>
@@ -207,16 +206,6 @@
 				<artifactId>logback-classic</artifactId>
 				<version>1.1.7</version>
 			</dependency>
-			<dependency>
-				<groupId>org.eclipse.jetty</groupId>
-				<artifactId>jetty-server</artifactId>
-				<version>${jetty.version}</version>
-			</dependency>
-			<dependency>
-				<groupId>org.eclipse.jetty</groupId>
-				<artifactId>jetty-util</artifactId>
-				<version>${jetty.version}</version>
-			</dependency>
 			<!--for test -->
 			<dependency>
 				<groupId>com.h2database</groupId>