remove a few unnecessary PyQt workarounds

https://www.riverbankcomputing.com/pipermail/pyqt/2021-October/044314.html

python/pyqt/install.py

@@ -37,10 +37,6 @@ def fix_pyi_types():
                 lines = file.readlines()
                 file.seek(0)
                 for line in lines:
-                    # inheriting from the missing sip.sipwrapper definition
-                    # causes missing attributes not to be detected, as it's treating
-                    # the class as inheriting from Any
-                    line = line.replace("PyQt6.sip.wrapper", "object")
                     # # remove blanket getattr in QObject which also causes missing
                     # # attributes not to be detected
                     if "def __getattr__(self, name: str) -> typing.Any" in line:

qt/aqt/forms/build_ui.py

@@ -42,10 +42,6 @@ def with_fixes_for_qt6(code: str) -> str:
             "QAction.PreferencesRole", "QAction.MenuRole.PreferencesRole"
         )
         line = line.replace("QAction.AboutRole", "QAction.MenuRole.AboutRole")
-        line = line.replace(
-            "QComboBox.AdjustToMinimumContentsLength",
-            "QComboBox.SizeAdjustPolicy.AdjustToMinimumContentsLength",
-        )
         outlines.append(line)
     return "\n".join(outlines)