Removed a tonne of unused imports from the dispersion model profiling scripts.
This is to allow most of the scripts to run on the relax 3.1.x versions, as well as to clean up the scripts. The unused imports were found using the command:
pylint test_suite/shared_data/dispersion/profiling/*.py --disable=all --enable=unused-import
Authored by: bugman 2014-06-23
Parent: [r24253]
Child: [r24255]