Update description on Storm comparison
Update description on Storm comparison

Remove out of context text on benchmark parallelism.

Alex-Cook4/IBMStreams.github.io,chanskw/IBMStreams.github.io,Alex-Cook4/IBMStreams.github.io,IBMStreams/IBMStreams.github.io,Alex-Cook4/IBMStreams.github.io,chanskw/IBMStreams.github.io,IBMStreams/IBMStreams.github.io,IBMStreams/IBMStreams.github.io,IBMStreams/IBMStreams.github.io,chanskw/IBMStreams.github.io,chanskw/IBMStreams.github.io,Alex-Cook4/IBMStreams.github.io