removing unwanted variable

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@174991 a5903396-d722-0410-b921-86c7d4935375
setting a varibale for synapse version

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@174993 a5903396-d722-0410-b921-86c7d4935375