updated travis config

.travis.yml

@@ -16,7 +16,6 @@ install:
   - git clone https://github.com/OCA/maintainer-quality-tools.git ${HOME}/maintainer-quality-tools
   - export PATH=${HOME}/maintainer-quality-tools/travis:${PATH}
   - travis_install_nightly
-  - sudo pip install python-ldap lxml
   - printf '[options]\n\nrunning_env = dev' > ${HOME}/.openerp_serverrc
   - ln -s server_environment_files_sample ./server_environment_files
 script: