Provide a default "loadPage()" implementation on "CursorPagedPolicyAwareQuery"

Summary: Ref T13682. Many subclasses of "CursorPagedPolicyAwareQuery" have the same implementation of "loadPage()", and this is a sensible default behavior.

Test Plan: Examined changes to verify that all removed methods have the same behavior.

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T13682

Differential Revision: https://secure.phabricator.com/D21838

Author: epriestley

src/applications/almanac/query/AlmanacBindingQuery.php

@@ -44,10 +44,6 @@ public function newResultObject() {
     return new AlmanacBinding();
   }
 
-  protected function loadPage() {
-    return $this->loadStandardPage($this->newResultObject());
-  }
-
   protected function willFilterPage(array $bindings) {
     $service_phids = mpull($bindings, 'getServicePHID');
     $device_phids = mpull($bindings, 'getDevicePHID');

src/applications/almanac/query/AlmanacDeviceQuery.php

@@ -56,10 +56,6 @@ public function newResultObject() {
     return new AlmanacDevice();
   }
 
-  protected function loadPage() {
-    return $this->loadStandardPage($this->newResultObject());
-  }
-
   protected function buildWhereClauseParts(AphrontDatabaseConnection $conn) {
     $where = parent::buildWhereClauseParts($conn);