Remove Travis CI config

Travis is not actually used for this repo. Remove the old configuration
file to clean things up.

Change-Id: I862f8e0222a7f0e12c7b67ad305e021b76859fe4
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

.travis.yml

@@ -1,13 +0,0 @@
-language: python
-python:
-  - "2.7"
-  - "3.2"
-  - "3.3"
-  - "pypy"
-install:
-  - pip install flake8 --use-mirrors
-  - pip install nose --use-mirrors
-  - pip install -q . --use-mirrors
-before_script:
-  - flake8 stevedore setup.py
-script: nosetests stevedore