Remove no-op commit from an external test.
Remove no-op commit from an external test.

* subversion/tests/cmdline/externals_tests.py
  (update_deletes_file_external): Removing the commit, the preceeding change
    is done with URLs.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1615030 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion