[Automated Commit] Document script/build-dockerfile/meta.yaml [skip ci]

Author: github-actions[bot]

script/build-dockerfile/README.md

@@ -74,7 +74,7 @@ mlcr build,dockerfile
 | `--run_cmd` |  |  | `` |
 | `--run_cmd_extra` |  |  | `` |
 | `--script_tags` |  |  | `` |
-| `--split_mlc_run_cmd` | Split dependent MLC run commands into separate Dockerfile RUN layers (effective with cache enabled) |  | `` |
+| `--split_mlc_run_cmd` |  |  | `` |
 | `--skip_mlc_sys_upgrade` |  |  | `` |
 | `--user` |  |  | `` |
 ### Generic Script Inputs