Clean up some obsolete references to Berkeley DB in the repos code.
Clean up some obsolete references to Berkeley DB in the repos code.

One of these pointed out by Peter N. Lundblad, the rest found by me.

* subversion/libsvn_repos/repos.c
  (svn_repos_create,get_repos,svn_repos_delete): Fix some comments.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion