remove uniswapFactory in UniswapPairPriceAdapter to support all uniswap compatible factories#236

gzliudan wants to merge 1 commit intoSetProtocol:masterSetProtocol/set-protocol-v2:masterfrom

gzliudan:UniswapPairPriceAdapter.uniswapFactorygzliudan/set-protocol-v2:UniswapPairPriceAdapter.uniswapFactoryCopy head branch name to clipboard