Update ESLint (still some warnings, but ignoring them for now)

Author: rpetrich

.eslintrc

@@ -3,24 +3,7 @@
 	"env": {
 		"node": true
 	},
-	"ecmaFeatures": {
-		"arrowFunctions": true,
-		"blockBindings": true,
-		"classes": true,
-		"defaultParams": true,
-		"destructuring": true,
-		"forOf": true,
-		"modules": true,
-		"objectLiteralComputedProperties": true,
-		"objectLiteralShorthandMethods": true,
-		"objectLiteralShorthandProperties": true,
-		"spread": true,
-		"superInFunctions": true,
-		"templateStrings": true,
-		"unicodeCodePointEscapes": true,
-		"jsx": true
-	},
 	"rules": {
-		"quotes": "single"
+		"quotes": 1
 	}
 }