Revert ".travis.yml: Set paths to search for libraries and includes."
Revert ".travis.yml: Set paths to search for libraries and includes."

This reverts commit aaca4430924f0282a5f13a8ea216d7d3c5791f5a.

jakirkham/python-javabridge,CellProfiler/python-javabridge,jakirkham/python-javabridge,CellProfiler/python-javabridge,jakirkham/python-javabridge,CellProfiler/python-javabridge,CellProfiler/python-javabridge,jakirkham/python-javabridge