Removed commented code from lib files

Author: mage2pratik

lib/internal/Magento/Framework/Code/Generator/EntityAbstract.php

@@ -183,7 +183,6 @@ protected function _getDefaultResultClassName($modelClassName)
      */
     protected function _getClassProperties()
     {
-        // protected $_objectManager = null;
         $objectManager = [
             'name' => '_objectManager',
             'visibility' => 'protected',

lib/internal/Magento/Framework/ObjectManager/Code/Generator/Factory.php

@@ -21,7 +21,6 @@ protected function _getClassProperties()
     {
         $properties = parent::_getClassProperties();
 
-        // protected $_instanceName = null;
         $properties[] = [
             'name' => '_instanceName',
             'visibility' => 'protected',
@@ -69,7 +68,6 @@ protected function _getClassMethods()
     {
         $construct = $this->_getDefaultConstructorDefinition();
 
-        // public function create(array $data = array())
         $create = [
             'name' => 'create',
             'parameters' => [['name' => 'data', 'type' => 'array', 'defaultValue' => []]],

lib/internal/Magento/Framework/ObjectManager/Code/Generator/Proxy.php

@@ -37,7 +37,6 @@ protected function _getClassProperties()
     {
         $properties = parent::_getClassProperties();
 
-        // protected $_instanceName = null;
         $properties[] = [
             'name' => '_instanceName',
             'visibility' => 'protected',
@@ -56,7 +55,6 @@ protected function _getClassProperties()
             ],
         ];
 
-        // protected $_shared = null;
         $properties[] = [
             'name' => '_isShared',
             'visibility' => 'protected',