Update Swig download of non-windows to have patch in download

Change-Id: I22c5297d5d87968430185d80024ec9f8c92633be
Update SWIG for windows with patched download

Remove manual patching cmake code and files.

Change-Id: Ieeecc63f8aca7e0a7c0ba3f5b24d48c75dd1c6f4
Merge topic 'SIMPLEITK-479_RemoveSWIGPatchStepUpdateDownload' into next

2140a900 Update SWIG for windows with patched download
5c2ac3dc Update Swig download of non-windows to have patch in download