remove travis file
remove travis file

luxiaohan/openxal-csns-luxh,EuropeanSpallationSource/openxal,EuropeanSpallationSource/openxal,luxiaohan/openxal-csns-luxh,EuropeanSpallationSource/openxal,luxiaohan/openxal-csns-luxh,EuropeanSpallationSource/openxal,openxal/openxal,openxal/openxal,openxal/openxal,openxal/openxal,luxiaohan/openxal-csns-luxh,EuropeanSpallationSource/openxal,openxal/openxal