* Weak German industrial data spooks European stocks, bonds* IMF expected to cut global growth forecast* Profit-taking leads to losses for dollar vs yen* Aussie drops after RBA talks down currency, holds policy steadyBy Marc JonesLONDON, Oct 7 (Reuters) - A second day of grim German data and expectations for a cut in the International Monetary Fund&aposs growth forecasts spooked European assets on