Mark annotation JsonSerializableSchema as deprecated

Author: luozhenyu

src/main/java/com/fasterxml/jackson/databind/jsonschema/JsonSerializableSchema.java

@@ -17,10 +17,13 @@
  * 
  * @author Ryan Heaton
  * @author Tatu Saloranta
+ * @deprecated Since 2.2, we recommend use of external
+ * <a href="https://github.com/FasterXML/jackson-module-jsonSchema">JSON Schema generator module</a>
  */
 @Target(ElementType.TYPE)
 @Retention(RetentionPolicy.RUNTIME)
 @JacksonAnnotation
+@Deprecated
 public @interface JsonSerializableSchema
 {
     /**

src/main/java/com/fasterxml/jackson/databind/ser/std/BeanSerializerBase.java

@@ -15,7 +15,6 @@
 import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitable;
 import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;
 import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonObjectFormatVisitor;
-import com.fasterxml.jackson.databind.jsonschema.JsonSerializableSchema;
 import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.fasterxml.jackson.databind.ser.*;
@@ -848,7 +847,8 @@ public JsonNode getSchema(SerializerProvider provider, Type typeHint)
         ObjectNode o = createSchemaNode("object", true);
         // [JACKSON-813]: Add optional JSON Schema id attribute, if found
         // NOTE: not optimal, does NOT go through AnnotationIntrospector etc:
-        JsonSerializableSchema ann = _handledType.getAnnotation(JsonSerializableSchema.class);
+        com.fasterxml.jackson.databind.jsonschema.JsonSerializableSchema ann =
+            _handledType.getAnnotation(com.fasterxml.jackson.databind.jsonschema.JsonSerializableSchema.class);
         if (ann != null) {
             String id = ann.id();
             if (id != null && !id.isEmpty()) {