Revert "Ignore traits for non-existing classes (#56)" (#57)

This reverts commit 7f7251d.

Author: janlam7

src/AnnotationProcessor/GenerateAnnotationProcessor.php

@@ -26,9 +26,6 @@ public function processAnnotation($annotation, PropertyInformation $info): void
     {
         // Standalone Enumerator annotation.
         if ($annotation instanceof Enumerator) {
-            if (!\class_exists($annotation->getType())) {
-                return;
-            }
             $info->addEnumeratorToGenerate($annotation);
             $annotation->property = $info->getName();
             if (! $info->getType() && $annotation->getType()) {

test/AnnotationProcessor/GenerateAnnotationProcessorTest.php

@@ -179,18 +179,4 @@ public function testGetProcessableAnnotationNamespace(): void
             (new GenerateAnnotationProcessor())->getProcessableAnnotationNamespace()
         );
     }
-
-    public function testEnumeratorOnMissingClass(): void
-    {
-        $enumerator        = new Enumerator();
-        $enumerator->type  = 'ClassDoesNotExist';
-
-        $property     = new ReflectionProperty('test');
-        $information  = new PropertyInformation($property);
-        $processor    = new GenerateAnnotationProcessor();
-
-        $processor->processAnnotation($enumerator, $information);
-
-        self::assertFalse($information->willGenerateEnumeratorAccessors());
-    }
 }