MAGETWO-56062: [Github #3890] Recently Viewed Products block does not appear when FPC is enabled

--rebase conflict

Author: Sergii Kovalenko

app/code/Magento/Catalog/Setup/UpgradeSchema.php

@@ -262,44 +262,6 @@ private function addCatalogProductFrontendActionTable(SchemaSetupInterface $inst
         $installer->getConnection()->createTable($table);
     }
 
-    /**
-     * Change definition of customer group id column
-     *
-     * @param SchemaSetupInterface $setup
-     * @return void
-     */
-    private function fixCustomerGroupIdColumn(SchemaSetupInterface $setup)
-    {
-        $tables = [
-            'catalog_product_entity_tier_price',
-            'catalog_product_index_price_cfg_opt_agr_idx',
-            'catalog_product_index_price_cfg_opt_agr_tmp',
-            'catalog_product_index_price_cfg_opt_idx',
-            'catalog_product_index_price_cfg_opt_tmp',
-            'catalog_product_index_price_final_idx',
-            'catalog_product_index_price_final_tmp',
-            'catalog_product_index_price_idx',
-            'catalog_product_index_price_opt_agr_idx',
-            'catalog_product_index_price_opt_agr_tmp',
-            'catalog_product_index_price_opt_idx',
-            'catalog_product_index_price_opt_tmp',
-            'catalog_product_index_price_tmp',
-        ];
-        foreach ($tables as $table) {
-            $setup->getConnection()->modifyColumn(
-                $setup->getTable($table),
-                'customer_group_id',
-                [
-                    'type' => Table::TYPE_INTEGER,
-                    'nullable' => false,
-                    'unsigned' => true,
-                    'default' => '0',
-                    'comment' => 'Customer Group ID',
-                ]
-            );
-        }
-    }
-
     /**
      * Add the column 'source_id' to the Product EAV index tables.
      * It allows to identify which entity was used to create value in the index.