Removed crashing ulimit command from tests

.gitlab-ci.yml

@@ -25,7 +25,7 @@ test_navix_slc6_python34:
     - export XRD_INCDIR="/usr/include/xrootd"
     - cd /opt/xrootd-python && python3.4 setup.py install
     - cd /builds/ETP-HTC/NaviX
-    - ulimit -n unlimited
+    # - ulimit -n unlimited
     - coverage run test_it.py && kill $(ps aux | grep 'NaviX.py' | awk '{print $2}')
     - coverage report -m --omit=/usr/*,tests/*,test_it.py
 #    - source /opt/rh/rh-python34/enable