AC-663: Create phpcs static check for ClassesTest::testPhpCode

Author: svera

Magento2/Sniffs/Legacy/ClassReferencesInConfigurationFilesSniff.php

@@ -58,9 +58,6 @@ public function process(File $phpcsFile, $stackPtr)
 
         $modules = $this->getValuesFromXmlTagAttribute($xml, '//@module', 'module');
         $this->assertNonFactoryNameModule($phpcsFile, $modules);
-
-        $layouts = $this->collectClassesInLayout($xml);
-        $this->assertNonFactoryName($phpcsFile, $layouts);
     }
 
     /**
@@ -169,21 +166,6 @@ function (array $extendedNode) {
         return $classes;
     }
 
-    /**
-     * Parse an XML for references to PHP class names in selected tags or attributes
-     *
-     * @param SimpleXMLElement $xml
-     * @return array
-     */
-    private function collectClassesInLayout(SimpleXMLElement $xml): array
-    {
-        return $this->getValuesFromXmlTagAttribute(
-            $xml,
-            '/layout//@module',
-            'module'
-        );
-    }
-
     /**
      * Extract value from tag contents which exist in the XML path
      *