Revert r16365, r16366 (fix svn_repos_create to accept NULL fs_config argument) in preparation for applying a different fix.
Revert r16365, r16366 (fix svn_repos_create to accept NULL fs_config argument)
in preparation for applying a different fix.

* subversion/libsvn_repos/repos.c
  (create_svn_repos_t, svn_repos_create): Revert things.

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