BERLIN (Reuters) -Germany’s economy ministry said it could not complete its review of a planned sale of chip supplier Siltronic to Taiwanese rival GlobalWafers before a deadline for the approval set by the prospective buyer expired on Monday, scuppering the 4.35 billion euro ($4.89 billion) transaction. “It was not possible to complete all the necessary review steps as part of the investment review – this applies in particular to the review of the antitrust approval by the Chinese authorities, which was only granted last week,” a spokesperson for the ministry said. On Jan. 21, China’s market r…