Remove Python 3.6 branches from typeshed (#8269)

stdlib/pstats.pyi

@@ -2,32 +2,28 @@ import sys
 from _typeshed import Self, StrOrBytesPath
 from collections.abc import Iterable
 from cProfile import Profile as _cProfile
+from enum import Enum
 from profile import Profile
 from typing import IO, Any, overload
 from typing_extensions import Literal, TypeAlias
 
 if sys.version_info >= (3, 9):
     __all__ = ["Stats", "SortKey", "FunctionProfile", "StatsProfile"]
-elif sys.version_info >= (3, 7):
-    __all__ = ["Stats", "SortKey"]
 else:
-    __all__ = ["Stats"]
+    __all__ = ["Stats", "SortKey"]
 
 _Selector: TypeAlias = str | float | int
 
-if sys.version_info >= (3, 7):
-    from enum import Enum
-
-    class SortKey(str, Enum):
-        CALLS: str
-        CUMULATIVE: str
-        FILENAME: str
-        LINE: str
-        NAME: str
-        NFL: str
-        PCALLS: str
-        STDNAME: str
-        TIME: str
+class SortKey(str, Enum):
+    CALLS: str
+    CUMULATIVE: str
+    FILENAME: str
+    LINE: str
+    NAME: str
+    NFL: str
+    PCALLS: str
+    STDNAME: str
+    TIME: str
 
 if sys.version_info >= (3, 9):
     from dataclasses import dataclass