CLN: Remove overloads made redundant by deprecation

Author: Kevin Sheppard

pandas/core/arrays/categorical.py

@@ -841,18 +841,7 @@ def _set_dtype(self, dtype: CategoricalDtype) -> Categorical:
         return type(self)(codes, dtype=dtype, fastpath=True)
 
     @overload
-    def set_ordered(
-        self, value, *, inplace: NoDefault | Literal[False] = ...
-    ) -> Categorical:
-        ...
-
-    @overload
-    def set_ordered(self, value, *, inplace: Literal[True]) -> None:
-        ...
-
-    @overload
-    def set_ordered(self, value, *, inplace: bool) -> Categorical | None:
-        ...
+    def set_ordered(self, value) -> Categorical: ...
 
     @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "value"])
     def set_ordered(
@@ -893,12 +882,7 @@ def set_ordered(
         return None
 
     @overload
-    def as_ordered(self, *, inplace: NoDefault | Literal[False] = ...) -> Categorical:
-        ...
-
-    @overload
-    def as_ordered(self, *, inplace: Literal[True]) -> None:
-        ...
+    def as_ordered(self) -> Categorical: ...
 
     @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def as_ordered(self, inplace: bool | NoDefault = no_default) -> Categorical | None:
@@ -923,12 +907,7 @@ def as_ordered(self, inplace: bool | NoDefault = no_default) -> Categorical | No
         return self.set_ordered(True, inplace=inplace)
 
     @overload
-    def as_unordered(self, *, inplace: NoDefault | Literal[False] = ...) -> Categorical:
-        ...
-
-    @overload
-    def as_unordered(self, *, inplace: Literal[True]) -> None:
-        ...
+    def as_unordered(self) -> Categorical: ...
 
     @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def as_unordered(