Don't run build script on travis, doesn't complete in under 50m0s

.travis.yml

@@ -33,11 +33,6 @@ install:
   - sudo apt-get install -y libpcre3-dev
 
 script:
-# test nix/build-all.py script (before the build following build instructions in order to no mess up installations into /usr/local)
-  - cd nix
-  - python build-all.py
-  - cd ..
-# test build according to build instructions
   - pwd
   - cd ..
   - git clone https://github.com/KhronosGroup/OpenCOLLADA.git
@@ -58,9 +53,3 @@ script:
   - cd build
   - cmake -DCOLLADA_SUPPORT=True -DOPENCOLLADA_INCLUDE_DIR=/usr/local/include/opencollada -DOPENCOLLADA_LIBRARY_DIR=/usr/local/lib/opencollada -DPCRE_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu -DUSE_IFC4=False -DBUILD_IFCPYTHON=True -DUNICODE_SUPPORT=True -DOCC_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu  ..
   - make -j2
-  - pwd
-  - cd ..
-  - cd ..
-
-after_failure:
-  - cat build/Linux/x86_64/logs/*.log