MAGETWO-31111: Plugins configuration caching

- removed unused caching

Author: dkvashninbay

dev/tools/Magento/Tools/Di/App/Compiler.php

@@ -69,11 +69,6 @@ public function launch()
             ],
             Task\OperationFactory::INTERCEPTION =>
                 BP . '/var/generation',
-            Task\OperationFactory::RELATIONS => [
-                BP . '/' . 'app/code', BP . '/' . 'lib/internal/Magento/Framework', BP . '/' . 'var/generation'
-            ],
-            Task\OperationFactory::PLUGINS =>
-                BP . '/app',
             Task\OperationFactory::INTERCEPTION_CACHE => [
                 BP . '/' . 'app/code', BP . '/' . 'lib/internal/Magento/Framework', BP . '/' . 'var/generation'
             ]

dev/tools/Magento/Tools/Di/App/Task/Operation/Plugins.php

@@ -23,16 +23,6 @@ class OperationFactory
      */
     const INTERCEPTION = 'interception';
 
-    /**
-     * Relations
-     */
-    const RELATIONS = 'relations';
-
-    /**
-     * Plugins
-     */
-    const PLUGINS = 'plugins';
-
     /**
      * Interception cache
      */
@@ -46,8 +36,6 @@ class OperationFactory
     private $operationsDefinitions = [
         self::AREA => 'Magento\Tools\Di\App\Task\Operation\Area',
         self::INTERCEPTION => 'Magento\Tools\Di\App\Task\Operation\Interception',
-        self::RELATIONS => 'Magento\Tools\Di\App\Task\Operation\Relations',
-        self::PLUGINS => 'Magento\Tools\Di\App\Task\Operation\Plugins',
         self::INTERCEPTION_CACHE => 'Magento\Tools\Di\App\Task\Operation\InterceptionCache',
     ];