Removes a reaction

async def deleteallreactions(self, ctx):
        """Removes a reaction"""
        data = self.config.get(ctx.message.server.id, {})
        if data:
            await self.config.put(ctx.message.server.id, {})
            await self.bot.responses.success(message="All reactions have been deleted.")
        else:
            await self.bot.responses.failure(message="This server has no reactions.")