[WebAssembly] __USING_WASM_EXCEPTIONS__ -> __WASM_EXCEPTIONS__ (#92840) We've decided to change `__USING_WASM_EXCEPTIONS__` preprocessor to `__WASM_EXCEPTIONS__` given that it's more concise. GitOrigin-RevId: 64f640680f7b1ddc8d2015eac75865f231166f8c