Remove dust from page construction

Summary:
  ^\s+(['"])dust\1\s*=>\s*true,?\s*$\n

Test Plan: Looked through the diff.

Reviewers: chad

Reviewed By: chad

CC: aran

Differential Revision: https://secure.phabricator.com/D6769

src/applications/diviner/controller/DivinerAtomController.php

@@ -136,7 +136,6 @@ final class DivinerAtomController extends DivinerController {
       ),
       array(
         'title' => $symbol->getTitle(),
-        'dust' => true,
         'device' => true,
       ));
   }

src/applications/diviner/controller/DivinerBookController.php

@@ -72,7 +72,6 @@ final class DivinerBookController extends DivinerController {
       ),
       array(
         'title' => $book->getTitle(),
-        'dust' => true,
         'device' => true,
       ));
   }

src/applications/diviner/controller/DivinerFindController.php

@@ -64,7 +64,6 @@ final class DivinerFindController extends DivinerController {
       $list,
       array(
         'title' => 'derp',
-        'dust' => true,
         'device' => true,
       ));
   }

src/applications/diviner/controller/DivinerLegacyController.php

@@ -53,7 +53,6 @@ final class DivinerLegacyController extends DivinerController {
       ),
       array(
         'title' => pht('Documentation'),
-        'dust' => true,
         'device' => true,
       ));
   }