Tata Grdzelishvili is among those who may soon find themselves reviving old routines in the coming weeks. Last spring, before taking to the streets, Grdzelishvili recalled that she meticulously packed her protester kit. Her checklist included a pack of medical facemasks, a pair of swimming goggles and a couple of energy bars. A bottle of sodium chloride solution went into a side pocket of her backpack. “This is to wash tear gas from your eyes,” explained Grdzelishvili, a petite, soft-spoken 22-year-old Georgian. The final order of business was to pin her chestnut brown curls into a tight bun. …