Editorial: Revert "Editorial: move base URL var creation (#260)"

This reverts commit 3358cec.

Author: marcoscaceres

index.html

@@ -356,14 +356,14 @@ 
             li>
             <li>[=Consume user activation=] of |global|.
             li>
+            <li>Let |base:URL| be [=this=]'s <a>relevant settings objecta>'s
+            [=environment settings object/API base URL=].
+            li>
             <li>If [=validate share data=] with |data| and |base| returns
             false, then return [=a promise rejected with=] a {{TypeError}}.
             li>
             <li>If |data|'s {{ShareData/url}} member is present:
               <ol>
-                <li>Let |base:URL| be [=this=]'s <a>relevant settings objecta>'s
-                [=environment settings object/API base URL=].
-                li>
                 <li>Let |url:URL| be the result of running the <a>URL
                 parsera> on |data|'s {{ShareData/url}} with |base|.
                 li>