In a medium size pot, whisk together the coconut milk, maple syrup, cocoa powder, cornstarch, instant coffee, and salt. Add the chopped chocolate. Set the pot over medium-high heat and cook, stirring constantly, until the mixture thickens and the chocolate has melted, about 8-10 minutes. Remove from heat, whisk in the vanilla. Let cool 5 minutes. Evenly divide the chocolate mix between 8 popsicles molds. Insert popsicle sticks. Freeze until firm, 4 hours or overnight. To make the chocolate shell. Melt the chocolate and coconut oil together in the microwave. Cook on intervals, stirring every 30 seconds until smooth. Let cool 10 minutes. Remove the pops from the freezers and cover in chocolate. Keep in the freezer until ready to eat!