SAN JUAN, Puerto Rico — The US government plans to auction off massive sections of water surrounding American Samoa for potential deep-sea mining in an unprecedented move that is expected to draw criticism from many countries.The area of the water surface planned to be auctioned off covers a total of 33 million acres.The proposed leasing notice was published on Friday as President Trump’s administration seeks to expedite mining permits despite growing environmental concerns.The unilateral US move is also a departure from previous administrations that have respected the rules of the Jamaica-based UN International Seabed Authority, which oversees deep international waters…