LONDON, Nov 2 (Reuters) - The UK government will unveil plans this week to spend 30 billion GBP buying further shares of rescued banks Royal Bank of Scotland and Lloyds , The Daily Telegraph newspaper reported on Monday. The UK newspaper said British Finance Minister Alistair Darling has agreed to spend about 25 billion GBP on shares in part-nationalised RBS and 5.5 billion GBP on shares in ...