code: public AnnotatedTypeBuilder<X> removeFromField(Field field, Class<? extends Annotation> annotationType) {
         if (fields.get(field) == null) {
             throw new IllegalArgumentException("Field not present " + field + " on " + javaClass);
         } else {
             fields.get(field).remove(annotationType);
         }
         return this;
     }
docs: Remove an annotation from the specified field.
  
  @param field          the field to remove the annotation from
  @param annotationType the annotation type to remove
  @throws IllegalArgumentException if the annotationType is null or if the
  field is not currently declared on the type