[elixir] Remove patch that is no longer needed.

[Ricky Elrod]

commit bb26679aead4b5c8477994e18df7916429bafcc4
Author: Ricky Elrod 
Date:   Sun Jan 19 03:36:18 2014 -0500

Remove patch that is no longer needed.

mix-test-nogit.patch |   17 -----------------
 1 files changed, 0 insertions(+), 17 deletions(-)