No default syndication for notes + articles

I find I'm unchecking them every time I create a
new post.

src/http/get-micropub/config/syndicate-to.js

@@ -18,19 +18,19 @@ function syndicateTo (postType = null) {
   switch (postType) {
     case 'note':
       return [
-        { ...twitter, checked: true },
-        { ...mastodon, checked: true },
-        { ...bluesky, checked: true }
+        { ...twitter },
+        { ...mastodon },
+        { ...bluesky }
       ]
     case 'bookmark':
       return [
         { ...pinboard, checked: true }
       ]
     case 'article':
       return [
-        { ...twitter, checked: true },
-        { ...mastodon, checked: true },
-        { ...bluesky, checked: true }
+        { ...twitter },
+        { ...mastodon },
+        { ...bluesky }
       ]
     case 'like':
       return [