By Philip Blenkinsop BRUSSELS (Reuters) -Heineken NV on Monday posted higher-than-expected first-half earnings, as consumers bought more beer despite inflationary pressures, but the world’s second-largest brewer shelved its margin target for 2023 as costs spiked. The brewer of Heineken, Europe’s top-selling lager, Tiger, Sol and Strongbow cider, said operating profit before one-offs rose by 24.6% to 2.16 billion euros ($2.21 billion), against the consensus of a 17% increase in a company-compiled poll. Heineken previously set a target to raise its operating margin to 17% in 2023, but it cast do…