Remove obsolete test

This test got erroneously inserted during a botched rebase.

Author: Nylle

src/test/java/com/github/nylle/javafixture/SpecimenTypeTest.java

@@ -442,15 +442,6 @@ void getFactoryMethods() {
         assertThat(actual).hasSize(2);
     }
 
-    @Test
-    void getDeclaredFields() {
-        var sut = SpecimenType.fromClass(TestObject.class);
-
-        var actual = sut.getDeclaredFields();
-
-        assertThat(actual).extracting("field").containsAll(List.of(TestObject.class.getDeclaredFields()));
-    }
-
     @Test
     void castToClass_CanHandleWildcardTypesWithUpperBounds() {
         var upperBounds = new Type[] { Integer.class};