Merged revision(s) 1608271-1608402 from tomee/tomee/trunk:
this code was great for JpaTest but is totally broken for the container itself, removing it
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TOMEE-1266 password can be null now with tomcat pool
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git-svn-id: https://svn.apache.org/repos/asf/tomee/tomee/branches/tomee-1.7.x@1608430 13f79535-47bb-0310-9956-ffa450edef68