(Reuters) - Australian coal miner TerraCom Ltd said on Friday it had completed its unsolicited offer to acquire UK-based Universal Coal PLC for A$175 million (87 million pounds).TerraCom, already the largest shareholder in Universal, said it had received 90% of acceptances related to Universal's outstanding shares and would now acquire the rest.Universal's de-listing process from the Australian stock exchange will begin within the next few weeks, TerraCom added.The Queensland-based company had..