remove depracated code paths (#2349)

src/_nebari/render.py

@@ -8,7 +8,6 @@
 from rich.table import Table
 
 from _nebari.deprecate import DEPRECATED_FILE_PATHS
-from _nebari.utils import is_relative_to
 from nebari import hookspecs, schema
 
 
@@ -89,7 +88,7 @@ def render_template(
         for path in deleted:
             abs_path = (output_directory / path).resolve()
 
-            if not is_relative_to(abs_path, output_directory):
+            if not abs_path.is_relative_to(output_directory):
                 raise Exception(
                     f"[ERROR] SHOULD NOT HAPPEN filename was about to be deleted but path={abs_path} is outside of output_directory"
                 )

src/_nebari/utils.py

@@ -268,18 +268,6 @@ def random_secure_string(
     return "".join(secrets.choice(chars) for i in range(length))
 
 
-def is_relative_to(self: Path, other: Path, /) -> bool:
-    """Compatibility function to bring ``Path.is_relative_to`` to Python 3.8"""
-    if sys.version_info[:2] >= (3, 9):
-        return self.is_relative_to(other)
-
-    try:
-        self.relative_to(other)
-        return True
-    except ValueError:
-        return False
-
-
 def set_do_environment():
     os.environ["AWS_ACCESS_KEY_ID"] = os.environ["SPACES_ACCESS_KEY_ID"]
     os.environ["AWS_SECRET_ACCESS_KEY"] = os.environ["SPACES_SECRET_ACCESS_KEY"]