Remove legacy package reference

Author: MGatner

examples/composer.json

@@ -29,7 +29,6 @@
 	"require-dev": {
 		"phpunit/phpunit" : "^7.0",
 		"mockery/mockery": "^1.0",
-		"mgatner/ci-module-tests": "^1.0",
 		"codeigniter4/codeigniter4": "dev-develop"
 	},
 	"autoload": {