Remove workaround for empty request body issue
Should be possible when 10.0.11 is released which should include https://github.com/RotherOSS/otobo/commit/34c0a55a8e489598c5a2d7f76fd119fd4047bb91.
Should be possible when 10.0.11 is released which should include https://github.com/RotherOSS/otobo/commit/34c0a55a8e489598c5a2d7f76fd119fd4047bb91.