On the 'svn-auth-x509' branch, remove unneeded code.

* subversion/libsvn_subr/x509parse.c
  (x509parse_crt, x509_free): Remove. These won't be needed
   once we've converted memory handling to apr pools.


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/svn-auth-x509@1603771 13f79535-47bb-0310-9956-ffa450edef68