refactor: Don't check if ISnowflakeGenerator exists

This is a left over from the maps prototype

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

lib/private/AppFramework/ORM/EntityManager.php

@@ -70,9 +70,8 @@ class EntityManager {
 				$primaryProperty = $property;
 				$generatorClass = $propertyAttributes->id->generatorClass;
 				if ($generatorClass) {
-					$generator = Server::get($generatorClass);
-					/** @psalm-suppress UndefinedClass NC 33 and above */
-					if (class_exists(ISnowflakeGenerator::class) && $generator instanceof ISnowflakeGenerator) {
+					if ($generatorClass === ISnowflakeGenerator::class) {
+						$generator = Server::get($generatorClass);
 						$isSnowflake = true;
 						/** @psalm-suppress UndefinedClass */
 						$values[$propertyAttributes->column->name] = $generator->nextId();

lib/private/Tags.php

@@ -165,7 +165,6 @@ class Tags implements ITags {
 
 	#[\Override]
 	public function getIdsForTag(int|string $tag): array|false {
-		$tagId = false;
 		if (is_numeric($tag)) {
 			$tagId = $tag;
 		} else {