rm some connection params from doc.

Author: youngsofun

docs/Connection.md

@@ -155,10 +155,7 @@ String url="jdbc:databend://databend:secret@0.0.0.0:8000/hello_databend";
 | copy_purge             | If True, the command will purge the files in the stage after they are loaded successfully into the table                  | false         | jdbc:databend://0.0.0.0:8000/hello_databend?copy_purge=true                                              |
 | presigned_url_disabled | whether use presigned url to upload data, generally if you use local disk as your storage layer, it should be set as true | false         | jdbc:databend://0.0.0.0:8000/hello_databend?presigned_url_disabled=true                                  |
 | wait_time_secs         | Restful query api blocking time, if the query is not finished, the api will block for wait_time_secs seconds              | 10            | jdbc:databend://0.0.0.0:8000/hello_databend?wait_time_secs=10                                            |
-| max_rows_in_buffer     | the maximum rows in server session buffer                                                                                 | 5000000       | jdbc:databend://0.0.0.0:8000/hello_databend?max_rows_in_buffer=5000000                                   |
 | max_rows_per_page      | the maximum rows per page in response data body                                                                           | 100000        | jdbc:databend://0.0.0.0:8000/default?max_rows_per_page=100000                                            |
-| connection_timeout     | okhttp connection_timeout param                                                                                           | 0             | jdbc:databend://0.0.0.0:8000/default?connection_timeout=100000                                           |
-| query_timeout          | time that you wait a SQL execution                                                                                        | 90            | jdbc:databend://0.0.0.0:8000/default?query_timeout=120                                                   |
 | null_display           | null value display                                                                                                        | \N            | jdbc:databend://0.0.0.0:8000/hello_databend?null_display=null                                            |
 | binary_format          | binary format, support hex and base64                                                                                     | hex           | jdbc:databend://0.0.0.0:8000/default?binary_format=hex                                                   |
 | use_verify             | whether verify the server before establishing the connection                                                              | true          | jdbc:databend://0.0.0.0:8000/default?use_verify=true                                                     |