Use plot_info for final remaining temperature and pressure data plots too

Use plot_info for final remaining temperature and pressure data plots too

Ok, this is pretty much it now.  Instead of having various random checks
for "is the time of the sample past the end of the dive" hacks, we not
plot all graphs from the cleaned-up plot_info structure instead of the
raw samples.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>