Revert "Merge branch 'feature/online/vs_think_20250813' into release/2.1"

This reverts commit 02596fc537, reversing
changes made to 03347626a6.

fastdeploy/utils.py

@@ -23,7 +23,6 @@ import os
 import random
 import re
 import socket
-import sys
 import tarfile
 import time
 from datetime import datetime
@@ -592,22 +591,6 @@ def is_list_of(
     assert_never(check)
 
 
-def import_from_path(module_name: str, file_path: Union[str, os.PathLike]):
-    """
-    Import a Python file according to its file path.
-    """
-    spec = importlib.util.spec_from_file_location(module_name, file_path)
-    if spec is None:
-        raise ModuleNotFoundError(f"No module named '{module_name}'")
-
-    assert spec.loader is not None
-
-    module = importlib.util.module_from_spec(spec)
-    sys.modules[module_name] = module
-    spec.loader.exec_module(module)
-    return module
-
-
 def version():
     """
     Prints the contents of the version.txt file located in the parent directory of this script.