Remove nested if statements.

BUG=none
TEST=Second attempt to repair options regression.

Review URL: http://codereview.chromium.org/3130041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56916 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/options/about_page.html

@@ -4,10 +4,8 @@
     <section>
       <div>
         <!-- White space is significant between spans. -->
-        <if expr="pp_ifdef('chromeos')">
         <div><span i18n-content="os"></span> <span id="osVersion0">
           <span class="loading" i18n-content="loading"></span></span></div>
-        </if>
         <div>
           <span i18n-content="browser"></span>
           <span i18n-content="browser_version"></span>
@@ -30,14 +28,12 @@
                 i18n-content="development"></option>
       </select>
     </section>
-    <if expr="pp_ifdef('chromeos')">
     <section>
       <h3 i18n-content="os"></h3>
       <div id="osVersion1">
         <span class="loading" i18n-content="loading"></span>
       </div>
     </section>
-    </if>
     <section>
       <h3 i18n-content="browser"></h3>
       <div i18n-content="browser_version"></div>