remove the SQLNAME variable

Author: chrislovecnm

Makefile

@@ -18,7 +18,6 @@ SHELL := /usr/bin/env bash
 # All is the first target in the file so it will get picked up when you just run 'make' on its own
 linting: check_shell check_python check_golang check_terraform check_docker check_base_files check_headers check_trailing_whitespace
 
-SQLNAME := demo-postgres-8
 # The .PHONY directive tells make that this isn't a real target and so
 # the presence of a file named 'check_shell' won't cause this target to stop
 # working