That's definitely not a cutting diet LOL. I would focus on high fat/protein. Lots of protein shakes (with water not milk), vegetables, chicken, tuna, eggs. Avoid breads, grains, sugars, lactose.
Salt/hydration have a lot to do with it. You need to be really careful about that and monitor it closely. I don't recommend a fast cut but here's some of the science behind it
For grappling I personally pick a target weight and try to slowly get down over a month period. This way I don't risk being dehydrated for competition and can still train normally. My $0.02