remove all package from .yml file

.travis.yml

@@ -1,18 +1,7 @@
 language: python
 python:
   - "2.7"
-addons:
-  apt:
-    packages:
-      - build-essential
-      - libcap-dev
-      - python-qt4
-      - tor
-      - xvfb
-# install:
-#   - pip install -r requirements.txt
-#   - ln -s src pybitmessage  # tests environment
-#   - python setup.py install
+
 script:
   - python checkdeps.py
   - xvfb-run src/bitmessagemain.py -t