Merge pull request #164 from Automattic/add/vipcs-3.0.0

Author: GaryJones

composer.json

@@ -15,11 +15,9 @@
 		"composer/installers": "^1.0 || ^2.0"
 	},
 	"require-dev": {
-		"automattic/vipwpcs": "^2.2",
-		"dealerdirect/phpcodesniffer-composer-installer": "^0.4.1 || ^0.5 || ^0.6.2 || ^0.7",
+		"automattic/vipwpcs": "^3",
 		"php-parallel-lint/php-parallel-lint": "^1.0",
 		"phpcompatibility/phpcompatibility-wp": "^2.1",
-		"wp-coding-standards/wpcs": "^2.3.0",
 		"yoast/wp-test-utils": "^1"
 	},
 	"config": {