[deprecated](external) remove deprecated hudi and iceberg external ta…

…ble (apache#27456)

The creation of hudi and iceberg table is disallowed since v1.2.
All these features are covered by hudi/iceberg catalog.
We should remove the code in v2.1

The PR mainly changes:
1. remove the code of hudi/iceberg external table.
2. remove code of iceberg database.
3. disallowed hive external table's creation.
4. disabled odbc,mysql,broker external table by default, and add FE config `disable_odbc_mysql_broker_table` to control it

docs/en/docs/admin-manual/config/fe-config.md

@@ -2296,60 +2296,15 @@ MasterOnly：false
 
 multi catalog concurrent file scan size
 
-#### `enable_odbc_table`
+#### `enable_odbc_mysql_broker_table`
 
 Default：false
 
 IsMutable：true
 
-MasterOnly：true
-
-Whether to enable the ODBC table, it is not enabled by default. You need to manually configure it when you use it.
-
-This parameter can be set by: ADMIN SET FRONTEND CONFIG("key"="value")
-
-**Note:** This parameter has been deleted in version 1.2. The ODBC External Table is enabled by default, and the ODBC External Table will be deleted in a later version. It is recommended to use the JDBC External Table
-
-#### `disable_iceberg_hudi_table`
-
-Default：true
-
-IsMutable：true
-
-MasterOnly：false
-
-Starting from version 1.2, we no longer support create hudi and iceberg External Table. Please use the multi catalog.
-
-#### `iceberg_table_creation_interval_second`
-
-Default：10 (s)
-
-IsMutable：true
-
 MasterOnly：false
 
-fe will create iceberg table every iceberg_table_creation_interval_second
-
-#### `iceberg_table_creation_strict_mode`
-
-Default：true
-
-IsMutable：true
-
-MasterOnly：true
-
-If set to TRUE, the column definitions of iceberg table and the doris table must be consistent
-If set to FALSE, Doris only creates columns of supported data types.
-
-#### `max_iceberg_table_creation_record_size`
-
-Default max number of recent iceberg database table creation record that can be stored in memory.
-
-Default：2000
-
-IsMutable：true
-
-MasterOnly：true
+Starting from version 2.1, we no longer support create odbc, jdbc and broker external table. For odbc and mysql external table, use jdbc table or jdbc catalog instead. For broker table, use table valued function instead.
 
 #### `max_hive_partition_cache_num`
 

docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-DATABASE.md

@@ -43,22 +43,6 @@ CREATE DATABASE [IF NOT EXISTS] db_name
 
 `PROPERTIES` Additional information about the database, which can be defaulted.
 
-- If you create an Iceberg database, you need to provide the following information in properties:
-
-  ```sql
-  PROPERTIES (
-    "iceberg.database" = "iceberg_db_name",
-    "iceberg.hive.metastore.uris" = "thrift://127.0.0.1:9083",
-    "iceberg.catalog.type" = "HIVE_CATALOG"
-  )
-  ````
-
-  illustrate:
-  
-  - `ceberg.database` : the library name corresponding to Iceberg;
-  - `iceberg.hive.metastore.uris` : hive metastore service address;
-  - `iceberg.catalog.type`: The default is `HIVE_CATALOG`; currently only `HIVE_CATALOG` is supported, and more Iceberg catalog types will be supported in the future.
-
 - If you want to specify the default replica distribution for tables in db, you need to specify `replication_allocation` (the `replication_allocation` attribute of table will have higher priority than db)
 
   ```sql
@@ -75,14 +59,12 @@ CREATE DATABASE [IF NOT EXISTS] db_name
    CREATE DATABASE db_test;
    ````
 
-2. Create a new Iceberg database iceberg_test
+2. Create a new database with default replica distribution:
 
    ```sql
    CREATE DATABASE `iceberg_test`
    PROPERTIES (
-   "iceberg.database" = "doris",
-   "iceberg.hive.metastore.uris" = "thrift://127.0.0.1:9083",
-   "iceberg.catalog.type" = "HIVE_CATALOG"
+       "replication_allocation" = "tag.location.group_1:3"
    );
    ````
 

docs/sidebars.json

@@ -909,7 +909,6 @@
                                         "sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE",
                                         "sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE-LIKE",
                                         "sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE-AS-SELECT",
-                                        "sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-EXTERNAL-TABLE",
                                         "sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-INDEX",
                                         "sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-VIEW",
                                         "sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-MATERIALIZED-VIEW",
@@ -1342,4 +1341,4 @@
             ]
         }
     ]
-}
+}