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/policy-endpoints/pom.xml b/policy-endpoints/pom.xml
index e1fd3db..04c284d 100644
--- a/policy-endpoints/pom.xml
+++ b/policy-endpoints/pom.xml
@@ -35,9 +35,6 @@
 	<description>Endpoints</description>
 
 	<properties>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>1.8</maven.compiler.target>
-		<jetty.version>9.3.20.v20170531</jetty.version>
 	</properties>
 
 	<dependencies>
diff --git a/policy-management/pom.xml b/policy-management/pom.xml
index 2ca8348..47404c9 100644
--- a/policy-management/pom.xml
+++ b/policy-management/pom.xml
@@ -35,9 +35,6 @@
   <description>Policy Management</description>
 
   <properties>
-          <maven.compiler.source>1.8</maven.compiler.source>
-          <maven.compiler.target>1.8</maven.compiler.target>
-          <jetty.version>9.3.20.v20170531</jetty.version>
           <gson.version>2.8.0</gson.version>
   </properties>
 
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>