remove unneeded lines.

Still learning php.. I suppose there's a cleaner way for imports.

lib/Controller/TimeGateController.php

@@ -11,8 +11,6 @@ use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\RedirectResponse;
 use OCP\AppFramework\Http\DataDisplayResponse;
 
-use findMementos;
-
 class TimeGateController extends Controller {
 	private $userFolder;
 	private $URLGenerator;

lib/Controller/TimeMapController.php

@@ -10,7 +10,6 @@ use OCP\IURLGenerator;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\DataDisplayResponse;
 
-use findMementos;
 
 class TimeMapController extends Controller {
 	private $userFolder;

lib/Controller/datetimeConversion.php

@@ -1,6 +1,4 @@
 <?php
-namespace OCA\Memento\Controller;
-
 use DateTime;
 
 function datetimeTimestampToString($timestamp) {

lib/Controller/findMementos.php

@@ -1,6 +1,4 @@
 <?php
-namespace OCA\Memento\Controller;
-
 use DOMDocument;
 use DateTime;