Fix manylinux build (#106)

Author: pkittenis

.travis.yml

@@ -5,8 +5,6 @@ cache:
       - "$HOME/.pyenv"
       - "$HOME/Library/Caches/Homebrew"
       - "$HOME/.git/lfs"
-git:
-  lfs_skip_smudge: true
 notifications:
   email: false
 sudo: required