removed npm-run-all dependency

as suggested by @moonglum: this appears to be unmaintained, but it's not
really worth the encumbrance anyway

Author: FND

package.json

@@ -17,7 +17,7 @@
 	},
 	"main": "lib/index.js",
 	"scripts": {
-		"test": "npm-run-all lint --parallel test:unit test:cli",
+		"test": "npm run lint && npm run test:unit && npm run test:cli",
 		"test:cli": "./test/cli/run",
 		"test:unit": "node --test ./test/unit/test_*.js",
 		"lint": "eslint --cache --ext .js --ext .jsx ./lib ./bin/validate-dependencies ./test/unit ./samples ./pkg && echo ✓"
@@ -39,7 +39,6 @@
 		"faucet-pipeline-jsx": "file:pkg/faucet-pipeline-jsx",
 		"faucet-pipeline-typescript": "file:pkg/faucet-pipeline-typescript",
 		"json-diff": "^1.0.6",
-		"npm-run-all": "^4.1.5",
 		"release-util-fnd": "^3.0.0"
 	}
 }