Refactor getModelNamespace to use array_pop with argument - fix #711 (#714)

Author: RomainMazB

src/Commands/GenerateRepositoriesCommand.php

@@ -196,7 +196,7 @@ protected function isModel(string $className): bool
     protected function getModelNamespace(string $className): string
     {
         $parts = explode('\\', $className);
-        array_pop(); // Remove class name
+        array_pop($parts); // Remove class name
 
         return implode('\\', $parts);
     }