Remove attempts to enable user_xattr

[no ci]

.travis.yml

@@ -4,9 +4,6 @@ python:
   - "3.3"
 # command to install dependencies
 install:
-  - "sudo apt-get install fakeroot"
-  - "mount"
-  - "sudo mount /home/travis -o remount,user_xattr"
   - "pip install --use-mirrors Cython"
   - "pip install -e ."
 # command to run tests