Replace incomplete module markers (#14030)

stubs/Pygments/pygments/lexers/__init__.pyi

@@ -1,4 +1,4 @@
-from _typeshed import FileDescriptorOrPath, Incomplete, StrPath
+from _typeshed import FileDescriptorOrPath, StrPath
 from collections.abc import Iterator
 from typing import Any
 
@@ -16,4 +16,4 @@ def guess_lexer_for_filename(_fn: StrPath, _text: str, **options: Any) -> Lexer:
 def guess_lexer(_text: str | bytes, **options: Any) -> Lexer: ...
 
 # Having every lexer class here doesn't seem to be worth it
-def __getattr__(name: str) -> Incomplete: ...
+def __getattr__(name: str): ...  # incomplete module

stubs/Pygments/pygments/styles/__init__.pyi

@@ -1,4 +1,3 @@
-from _typeshed import Incomplete
 from collections.abc import Iterator, Mapping
 
 from pygments.style import Style
@@ -10,4 +9,4 @@ def get_style_by_name(name) -> type[Style]: ...
 def get_all_styles() -> Iterator[str]: ...
 
 # Having every style class here doesn't seem to be worth it
-def __getattr__(name: str) -> Incomplete: ...
+def __getattr__(name: str): ...  # incomplete module