Revert "Upgrade mediation and synapse version"
Revert "Upgrade mediation and synapse version"

milindaperera/product-ei,milindaperera/product-ei,wso2/product-ei,wso2/product-ei,milindaperera/product-ei,milindaperera/product-ei,wso2/product-ei,wso2/product-ei,milindaperera/product-ei,wso2/product-ei