Upgrade jetty to 9.3.24 security

Upgrade to clear security flag in CLM.
Removed unnecessary properties already declared

Issue-ID: POLICY-987
Change-Id: Iefe4a9b264148a6bd661d5cff3bff6019b0b3def
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/pom.xml b/pom.xml
index 635feb6..57ab482 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,6 +73,7 @@
 		<commons.io.version>2.5</commons.io.version>
 		<guava.version>23.0</guava.version>
 		<xml.apis.version>1.4.01</xml.apis.version>
+		<jetty.version>9.3.24.v20180605</jetty.version>
 	</properties>
 
 	<modules>