Issue #1751 -- Remove XP_MACOSX conditionals from the rest of the tree.

This also removes some PP abuse and takes file entries out of PP when no longer
needed without XP_MACOSX conditionals.

toolkit/content/aboutSupport.xhtml

@@ -155,12 +155,8 @@
             <th class="column">
 #ifdef XP_WIN
               &aboutSupport.appBasicsProfileDirWinMac;
-#else
-#ifdef XP_MACOSX
-              &aboutSupport.appBasicsProfileDirWinMac;
 #else
               &aboutSupport.appBasicsProfileDir;
-#endif
 #endif
             </th>
 
@@ -168,12 +164,8 @@
               <button id="profile-dir-button">
 #ifdef XP_WIN
                 &aboutSupport.showWin2.label;
-#else
-#ifdef XP_MACOSX
-                &aboutSupport.showMac.label;
 #else
                 &aboutSupport.showDir.label;
-#endif
 #endif
                </button>
             </td>