By Francois Murphy VIENNA (Reuters) -Iran on Thursday dealt a near-fatal blow to chances of reviving the 2015 Iran nuclear deal as it began removing essentially all the International Atomic Energy Agency monitoring equipment installed under the deal, IAEA chief Rafael Grossi said. Iran had warned of retaliation if the IAEA’s 35-nation Board of Governors passed a resolution drafted by the United States, France, Britain and Germany criticising Tehran for its continued failure to explain uranium traces found at undeclared sites. The resolution was passed by a crushing majority late on Wednesday. …