breaking: remove score property (#30)

Author: bartveneman

src/core.js

@@ -36,8 +36,6 @@ export function calculate(analysis) {
 	const complexity = calculateScore(analysis, complexityGuards)
 
 	return {
-		/** @deprecated */
-		score: 0,
 		violations: performance.violations
 			.concat(maintainability.violations)
 			.concat(complexity.violations),

src/index.test.js

@@ -24,7 +24,6 @@ Index('smoke test', () => {
 	`
 	let result = calculate(css)
 	assert.equal(result, {
-		"score": 0,
 		"violations": [
 			{
 				"id": "Imports",