No '$' for jjb parameters

Change-Id: Ife15c11109a0fb348a3a8c104c154f46ef0b11e8
Signed-off-by: Anaël Closson <ac2550@intl.att.com>
diff --git a/jjb/global-templates-java.yaml b/jjb/global-templates-java.yaml
index 37bf585..272cf52 100644
--- a/jjb/global-templates-java.yaml
+++ b/jjb/global-templates-java.yaml
@@ -994,7 +994,7 @@
 
       - maven-target:
           maven-version: '{maven-version}'
-          pom: '${site-pom}'
+          pom: '{site-pom}'
           goals: 'clean site:stage-deploy'
           settings: '{mvn-settings}'
           settings-type: cfp