Adding new antenna config files to support simulations of 12+ antenna observations (ASKAPSDP-1595).

git-svn-id: https://svn.atnf.csiro.au/askapsdp/trunk@6532 1db04d4c-0ff0-4329-ae0b-98c546476c6a
Remove legacy test files


git-svn-id: https://svn.atnf.csiro.au/askapsdp/trunk@6533 1db04d4c-0ff0-4329-ae0b-98c546476c6a