Removed the unnecessary sequence diagram for the Kieker tutorial.
Removed the unnecessary sequence diagram for the Kieker tutorial.

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