Remove not needed use parts and ignore noop new for phan check

www/lib/CoreLibs/Admin/EditBase.php

@@ -14,9 +14,6 @@ declare(strict_types=1);
 
 namespace CoreLibs\Admin;
 
-use Exception;
-use SmartyException;
-
 class EditBase
 {
 	/** @var array<mixed> */

www/lib/CoreLibs/Template/SmartyExtend.php

@@ -283,6 +283,7 @@ class SmartyExtend extends \Smarty\Smarty
 					continue;
 				}
 				try {
+					/** @phan-suppress-next-line PhanNoopNew */
 					new \ReflectionClassConstant($this, $plugin['type']);
 				} catch (\ReflectionException $e) {
 					$this->log->error('SmartyExtended plugin load failed, type is not valid', [