Refactor entities and codebase for native property usage

- Replaced getters/setters with direct property access across entities and repositories.
- Added and configured `martin-georgiev/postgresql-for-doctrine` for PostgreSQL enhancements.
- Updated Doctrine configuration with types, mappings, and JSONB query functions.
- Removed unused `EliminationService` and related YAML configurations.

src/Factory/EliminationFactory.php

@@ -26,10 +26,10 @@ final readonly class EliminationFactory
         $simpleScores = [];
 
         foreach (array_reverse($scores) as $i => $score) {
-            $simpleScores[$score['name']] = $i < $quiz->getDropouts() ? Elimination::SCREEN_RED : Elimination::SCREEN_GREEN;
+            $simpleScores[$score->name] = $i < $quiz->dropouts ? Elimination::SCREEN_RED : Elimination::SCREEN_GREEN;
         }
 
-        $elimination->setData($simpleScores);
+        $elimination->data = $simpleScores;
 
         $this->em->flush();