PARIS (Reuters) – The centrist camp of French President Emmanuel Macron is not guaranteed to win an absolute majority in this month’s legislative elections, two polls showed on Tuesday. Macron won a second mandate in April as France’s centrist, pro-European president. But he also needs to win a majority in the lower house of parliament in the June 12 and 19 ballot to be able to implement his reform agenda, and polls have shown support is shrinking. The absolute majority is at 289 seats, but Macron’s Renaissance party and allies could win as little as 250-290 seats, according to a poll by the I…