Removed travis.yml as it is no longer used.
Removed travis.yml as it is no longer used.

leadwire-apm/leadwire-javaagent,HaStr/kieker,HaStr/kieker,kieker-monitoring/kieker,HaStr/kieker,kieker-monitoring/kieker,HaStr/kieker,leadwire-apm/leadwire-javaagent,kieker-monitoring/kieker,HaStr/kieker,kieker-monitoring/kieker,kieker-monitoring/kieker