Add YB market on new YB-cbBTC Curve pool (0x862CB4E988FB66E72f128d1183829f8c05B6c6A0) and disable old LT 0xAC0cfa7742069a8af0c63e14FFD0fe6b3e1Bf8D2. Guarded: only executes once Vote 1 has installed the new AMM + LT implementations and market_count == 8 (i.e. the preceding market votes have executed).