Waving signs and banging sticks on plastic buckets like drums, about 200 people, mainly undocumented Mexican immigrants, marched through Farmingville yesterday demanding the right not to be evicted without notice and thrown into the street.'snip'The immigrants and their supporters, including priest and activists, were protesting the eviction by authorities last week of at least 28 Mexican day laborers from an overcrowded Farmingville house, leaving them homeless.'snip'[Steve] Levy shot back yesterday, saying his campaign is supported by wide swaths of people fed up with overcrowded houses in Farmingville. "The 99 percent of the county that supports the closing of this hellhole...