Remove integration tests from travis conf file

* They cannot be executed in travis, since they use the MatlabEngine

Author: Ezequiel Torres

.travis.yml

@@ -11,16 +11,11 @@ branches:
     - master
 
 install:
-  - sudo apt-get install libssl-dev libfreetype6
   - wget https://github.com/Ezetowers/MLC/releases/download/v0.0.1/mlc-python-ubuntu-14.04_0.6_amd64.deb
   - sudo dpkg -i mlc-python-ubuntu-14.04_0.6_amd64.deb
   - sudo /opt/mlc-python-2.7.11/bin/mlc_pip uninstall numpy -y
   - sudo /opt/mlc-python-2.7.11/bin/mlc_pip install numpy
 
 script:
   - cd tests
-  - ./run_unit_tests.sh
-  - ./run_integration_tests.sh
-
-after_success:
-  - coverage
+  - ./run_unit_tests.sh