PY-22971 Fixed: Support @typing.overload in regular Python files, not only in Python stubs

Update PyRemoveParameterQuickFix to remove parameter from overloads.

python/testData/quickFixes/PyRemoveParameterQuickFixTest/overloadsAndImplementationInClass.py

@@ -0,0 +1,18 @@
+from typing import overload
+
+
+class A:
+    @overload
+    def foo(self) -> None:
+        pass
+
+    @overload
+    def foo(self, value: int) -> str:
+        pass
+
+    @overload
+    def foo(self, value: str) -> str:
+        pass
+
+    def foo(self, va<caret>lue=None):
+        return None