Fix LaTeX macros for variables in empirics design

The code to write the (for example) number of bootstrap simulations as a
LaTeX macro was imposing two decimal points, which looked moronic.  So
I've changed it to write integers as integers.
Remove design 2 of second monte carlo from paper

I've changed the code that generates the LaTeX table for MC 2 so that it only displays
the first set of results; the second set of parameters gave basically the same results
as the first.