Removing af related config readers

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@186197 a5903396-d722-0410-b921-86c7d4935375
Removing AF related configs from cloud mgt

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@186198 a5903396-d722-0410-b921-86c7d4935375