Just days after overhauling its wireless data plans, Verizon on Wednesday held a meeting with a wide audience of customer service employees to notify them of upcoming “restructuring” and “streamlining” measures that are all but certain to result in significant layoffs. More details will be shared tomorrow, May 25th, according to a prerecorded message that employees received. Over 6,000 employees were present on today’s call — The Verge spoke with several of them — but the…