[skip ci] removey entrypoint.md, the content of this file has been move to file appendix_c_system_configurations.md (#5899)

Signed-off-by: yefu.chen <yefu.chen@zilliz.com>

docs/developer_guides/entrypoint.md

@@ -1,55 +0,0 @@
-## Entrypoint
-
-### Syntax
-
-Use the following syntax to run `milvus` commands from your terminal window:
-
-```shell
-milvus [command] [server type] [flags]
-```
-
-Example:
-
-```bash
-$ MILVUS_CONF_PATH=/path/to/milvus/configs milvus run master
-```
-
-
-<br/></br>
-where `command`, `server type`, and `flags` are:
-<br/></br>
-
-`command`: Specifies the operation that you want to perform on server, for example `run`, `status`, `stop`
-
-`server type`: Specifies the server type, `server type` are:
-
-* `master`
-* `msgstream`
-* `proxyservice`
-* `proxynode`
-* `queryservice`
-* `querynode`
-* `dataservice`
-* `datanode`
-* `indexservice`
-* `indexnode`
-* `standalone`
-
-`flags`: Specifies optional flags. For example, you can use the `-f` or `--config` flags to specify the configuration file.
-
-> Getting help
-> You can get help for CLI tool using the `--help` flag, or `-h` for short.
-> ```shell
-> $ milvus run master --help
-> ```
-
-
-### Environment
-
-
-The table below lists the environment variables that you can use to configure the `milvus` tool.
-
-
-|  Variable  | Description | Default |
-| :-----:| :----: | :----: |
-| MILVUS_CONF_PATH | Milvus configuration path | `/milvus/configs` |