Revert 1479332 commit, which build soap message up to body level in builder level

git-svn-id: https://svn.apache.org/repos/asf/axis/axis2/java/core/trunk@1479342 13f79535-47bb-0310-9956-ffa450edef68
Throw a descriptive Axis fault message when SOAP body is null in the request, Fixed AXIS2-4221

git-svn-id: https://svn.apache.org/repos/asf/axis/axis2/java/core/trunk@1479351 13f79535-47bb-0310-9956-ffa450edef68