Even by its own high standards, Asus outdid expectations with its Computex presser today. Not only did it announce a completely ridiculous home assistant robot and a thinner-than-a-MacBook laptop, but it also laid claim to having the first aluminum unibody phone free of unsightly antenna lines. Study the square-jawed ZenFone 3 Deluxe as closely as you wish; you won’t find its matte rear disturbed by the practicalities of obtaining a wireless signal. Asus has somehow worked around the iPhone’s most glaring aesthetic shortcoming, beating competitors like HTC, Huawei, and Meizu in producing a “full-metal” phone with completely discreet antennas. LG might dispute that claim with its G5 and its disguised antennas, but the G5 has a detachable…