Remove artficial testcase from property mapper code

src/property-mapper.js

@@ -88,27 +88,3 @@ module.exports = function createPropertyMapper(propertyMap) {
 		}, {})
 	}
 };
-
-let mapper = module.exports({
-	foo: "one",
-	bar: "two",
-	twoFoo: "two.foo",
-	baz: (value) => {
-		return {
-			one: {
-				baz: value
-			},
-			two: {
-				baz: value
-			}
-		}
-	}
-});
-
-console.log(mapper({
-	foo: "hello one foo!",
-	bar: "hello two bar!",
-	twoFoo: "hello two foo!",
-	baz: "hello baz!",
-	"one.bar": "hello one bar!"
-}));