Upgrade karaf to version 4.2.14

Change-Id: Ibfa72941a01fb8026513d39f5b3d5f2bb3dcc9d2
diff --git a/tools/package/onos-prep-karaf b/tools/package/onos-prep-karaf
index 45029ea..f81634b 100755
--- a/tools/package/onos-prep-karaf
+++ b/tools/package/onos-prep-karaf
@@ -13,7 +13,7 @@
 LOG4J2_EXTRA=$6
 SANDBOX=${7:-.}
 
-KARAF_VERSION="4.2.9"
+KARAF_VERSION="4.2.14"
 ONOS_SECURITY_MODE="false"
 
 PREFIX="onos-$ONOS_VERSION"
@@ -38,10 +38,6 @@
 echo "felix.fileinstall.filter='\\*.jar'" >> \
     $KARAF_DIR/etc/org.apache.felix.fileinstall-deploy.cfg
 
-# Patch log4j to mitigate CVE-2021-44228
-# https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44228
-zip -q -d  $KARAF_DIR/system/org/ops4j/pax/logging/pax-logging-log4j2/1.11.6/pax-logging-log4j2-1.11.6.jar org/apache/logging/log4j/core/lookup/JndiLookup.class
-
 # Patch-in proper Karaf version into the startup script
 perl -pi.bk -e 's/apache-karaf-\$KARAF_VERSION/$ENV{KARAF_DIR}/g' $SANDBOX/bin/onos-service