Vimm's Lair is a site dedicated to console videogame nostalgia.
And looks like Rockstar Games decided to take the ROM down. Wondering why only for PS2, why only San Andreas and why only NTSC. Because PAL, other platforms and other GTA games for PS2 are unaffected.
Wow, I definitely didn't know it was that old, I know about it recently because ROM sites have become more difficult to browse and find (good sourced).
The look of the page definitely checks those days though.