After selling it on and off in the U.S. for nearly seven decades, Volkswagen has decided to squash its iconic Beetle. The company’s American unit announced Thursday that it would end global production of the third-generation bulbous bug in July of next year after offering two special editions for sale. The compact Beetle was introduced in Germany in 1938 during the Nazi era and came to the U.S. 11 years later, where it became a symbol of utilitar…