Fixed Error when processing the SAML Assertion in the request issue

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@174029 a5903396-d722-0410-b921-86c7d4935375
Remove common class ffrom BA component

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@174030 a5903396-d722-0410-b921-86c7d4935375