Remove node.title support

Closes Gh-8.

Author: wooorm

index.js

@@ -14,8 +14,6 @@ export function toString(node) {
       (node.value ||
         // @ts-ignore looks like an image.
         node.alt ||
-        // @ts-ignore looks like an image/link.
-        node.title ||
         // @ts-ignore looks like a parent.
         ('children' in node && all(node.children)) ||
         (Array.isArray(node) && all(node)))) ||

test.js

@@ -26,19 +26,19 @@ test('toString', function (t) {
 
   t.equal(
     toString({title: 'baz', children: [{value: 'qux'}]}),
-    'baz',
-    'should prefer `title` over all others'
+    'qux',
+    'should *not* prefer `title` over all others'
   )
 
   t.equal(
     toString({children: [{value: 'foo'}, {alt: 'bar'}, {title: 'baz'}]}),
-    'foobarbaz',
+    'foobar',
     'should serialize children'
   )
 
   t.equal(
     toString([{value: 'foo'}, {alt: 'bar'}, {title: 'baz'}]),
-    'foobarbaz',
+    'foobar',
     'should serialize a list of nodes'
   )