hmm, it's not 'switch-off-able' in a conventional sense as far as I can tell. You will have to have a word with the source code and recompile... specifically either mess about with if statement at the begining of show_filters in status.c and see if you can work out what you need to add to remove the grey box from the particular view you are interested in, or alternatively get rid of the contents of show_filters completely... recompile and copy status.cgi over your original, and robert may very well be your father's brother...
Back up your original .c and .cgi file before messing with them!
That's my best guess anyhow. I should point out that it's not something I have ever had cause to do, so this is suggestion is all theoretical