LONDON — The European Union leveled its first antitrust penalty against Apple on Tuesday, fining the U.S. tech giant nearly $2 billion for breaking the bloc’s competition laws by unfairly favoring its own music streaming service over rivals. Apple banned app developers from “fully informing iOS users about alternative and cheaper music subscription services outside of the app,” said the European Commission, the 27-nation bloc’s executive arm and top antitrust enforcer. [time-brightcove not-tgx=”true”] That is illegal under EU antitrust rules.