Remove need to set OpExecutorFactory for TDB globally.

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1531935 13f79535-47bb-0310-9956-ffa450edef68
Remove need to set OpExecutorFactory for TDB globally.

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1531936 13f79535-47bb-0310-9956-ffa450edef68