[Chore] Remove useless DeserializationFormatFactory and its implement (#5880)

* [Format] Remove useless DeserializationFormatFactory and its implement

* update

* update

Author: Hisoka-X

seatunnel-api/src/main/java/org/apache/seatunnel/api/table/factory/DeserializationFormatFactory.java

@@ -21,7 +21,6 @@
 
 import org.apache.seatunnel.api.configuration.Option;
 import org.apache.seatunnel.api.configuration.Options;
-import org.apache.seatunnel.format.json.JsonFormatFactory;
 
 public class SourceProperties {
 
@@ -181,7 +180,7 @@ public class SourceProperties {
     public static final Option<String> FORMAT =
             Options.key("format")
                     .stringType()
-                    .defaultValue(JsonFormatFactory.IDENTIFIER)
+                    .defaultValue("JSON")
                     .withDescription(
                             "Data format. The default format is json. Optional text format. The default field separator is \", \". "
                                     + "If you customize the delimiter, add the \"field_delimiter\" option.");

seatunnel-connectors-v2/connector-pulsar/src/main/java/org/apache/seatunnel/connectors/seatunnel/pulsar/config/SourceProperties.java

@@ -53,9 +53,7 @@
 import org.apache.seatunnel.connectors.seatunnel.pulsar.source.reader.PulsarSourceReader;
 import org.apache.seatunnel.connectors.seatunnel.pulsar.source.split.PulsarPartitionSplit;
 import org.apache.seatunnel.format.json.JsonDeserializationSchema;
-import org.apache.seatunnel.format.json.JsonFormatFactory;
 import org.apache.seatunnel.format.json.canal.CanalJsonDeserializationSchema;
-import org.apache.seatunnel.format.json.canal.CanalJsonFormatFactory;
 import org.apache.seatunnel.format.json.exception.SeaTunnelJsonFormatException;
 
 import org.apache.pulsar.shade.org.apache.commons.lang3.StringUtils;
@@ -307,11 +305,11 @@ private void setDeserialization(Config config) {
             if (config.hasPath(FORMAT.key())) {
                 format = config.getString(FORMAT.key());
             }
-            switch (format) {
-                case JsonFormatFactory.IDENTIFIER:
+            switch (format.toUpperCase()) {
+                case "JSON":
                     deserializationSchema = new JsonDeserializationSchema(false, false, typeInfo);
                     break;
-                case CanalJsonFormatFactory.IDENTIFIER:
+                case "CANAL_JSON":
                     deserializationSchema =
                             new PulsarCanalDecorator(
                                     CanalJsonDeserializationSchema.builder(typeInfo)