Revert "Issue #1987952 by brantwynn, Freemantus: Fixed Order of rendered blocks is wrong."

This reverts commit 4f6113f5.

core/modules/block/block.module

@@ -465,10 +465,6 @@ function block_list($region) {
     $blocks[$region] = array();
   }
 
-  uasort($blocks[$region], function($first, $second) {
-    return $first->weight < $second->weight ? ($first->weight === $second->weight ? 0 : -1) : 1;
-  });
-
   return $blocks[$region];
 }
 

core/modules/block/lib/Drupal/block/Tests/BlockRenderOrderTest.php

-<?php
-
-/**
- * @file
- * Definition of Drupal\block\Tests\BlockRenderOrderTest.
- */
-
-namespace Drupal\block\Tests;
-
-use Drupal\simpletest\WebTestBase;
-
-/**
- * Tests block HTML ID validity.
- */
-class BlockRenderOrderTest extends WebTestBase {
-
-  /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = array('block', 'block_test', 'search');
-
-  public static function getInfo() {
-    return array(
-      'name' => 'Block Render Order',
-      'description' => 'Test blocks are being rendered in order by weight.',
-      'group' => 'Block',
-    );
-  }
-
-  function setUp() {
-    parent::setUp();
-    // Create a test user.
-    $end_user = $this->drupalCreateUser(array(
-      'access content',
-      'search content',
-    ));
-    $this->drupalLogin($end_user);
-  }
-
-  /**
-   * Tests the render order of the blocks.
-   */
-  function testBlockRenderOrder() {
-    //Enable test blocks and place them in the same region.
-    $blocks = array(array($this->randomName(8), 'system_powered_by_block'), array($this->randomName(8), 'search_form_block'));
-    foreach ($blocks as $weight => $settings) {
-      $this->drupalPlaceBlock($settings[1], array(
-        'label' => $settings[0],
-        'weight' => $weight,
-        'region' => 'header',
-      ));
-    }
-    $this->drupalGet('');
-    $test_content = $this->drupalGetContent('');
-    foreach ($blocks as $weight => $settings) {
-      $this->assertRaw('<h2>' . $settings[0] . '</h2>', 'Block "' . $settings[0]  . '" is in place.');
-      $position[$weight] = strpos($test_content, $settings[0]);
-    }
-    $this->assertTrue($position[0] < $position[1], 'The blocks are rendered in the correct order.');
-  }
-}