Update type Completion

src/autocomplete/Autocompleter.js

@@ -34,12 +34,9 @@ export type Completion = {
     component: ?Component,
     range: SelectionRange,
     command: ?string,
-    // An entity applied during the replacement (using draftjs@0.8.1 Entity.create)
-    entity: ? {
-        type: string,
-        mutability: string,
-        data: ?Object,
-    },
+    // If provided, apply a LINK entity to the completion with the
+    // data = { url: href }.
+    href: ?string,
 };
 
 const PROVIDERS = [