She didn’t talk about health care. She offered a small idea or two about fighting youth crime in cities. Instead, the Big Idea offered by Gov. Jodi Rell Wednesday as she launched her election-year budget was this: no more car taxes.“The wealthy will pay less,” said state Rep. Peter Tercyak (D-New Britain). “But the middle class and the poor? Some will. Some won’t. The blind guy who takes the bus? His taxes just went up.”