[#2208] Delete WMF upload tests which are no longer required
[#2208] Delete WMF upload tests which are no longer required

These tests were written to address an issue with uploading WMF files, but
the UI has been improved and there should be better feedback on the UI, now.

akvo/akvo-rsr,akvo/akvo-rsr,akvo/akvo-rsr,akvo/akvo-rsr