Remove FreshRSS_Searchable for better types (#5212)

* Remove FreshRSS_Searchable for better types
The interface was not used, and it was preventing more precise types for the different `searchById()` methods, as they each have different input and output types.

* Fix type

1 files changed, 2 insertions, 5 deletions

diff --git a/app/Models/FeedDAO.php b/app/Models/FeedDAO.php
index 1aae5fee5..1047a218b 100644
--- a/app/Models/FeedDAO.php
+++ b/app/Models/FeedDAO.php
@@ -1,6 +1,6 @@
 <?php
 
-class FreshRSS_FeedDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
+class FreshRSS_FeedDAO extends Minz_ModelPdo {
 
 	protected function addColumn(string $name) {
 		if ($this->pdo->inTransaction()) {
@@ -284,10 +284,7 @@ SQL;
 		}
 	}
 
-	/**
-	 * @return FreshRSS_Feed|null
-	 */
-	public function searchById($id) {
+	public function searchById(int $id): ?FreshRSS_Feed {
 		$sql = 'SELECT * FROM `_feed` WHERE id=:id';
 		$stm = $this->pdo->prepare($sql);
 		$stm->bindParam(':id', $id, PDO::PARAM_INT);