update allowlists

Author: donbarbos

stubs/icalendar/@tests/stubtest_allowlist.txt

@@ -6,16 +6,8 @@ icalendar\.tests(\..*)?
 
 # Methods that use `int` to mean `bool`.
 icalendar.Component.get_inline
-icalendar.Component.set_inline
 icalendar.cal.Component.get_inline
-icalendar.cal.Component.set_inline
 
 # Stubtest gets confused by multiple inheritance.
 icalendar.prop.vSkip.__new__
 icalendar.vSkip.__new__
-
-# Internal helpers used by copyreg for pickle support
-icalendar.timezone.zoneinfo.pickle_tzicalvtz
-icalendar.timezone.zoneinfo.pickle_rrule_with_cache
-icalendar.timezone.zoneinfo.pickle_rruleset_with_cache
-icalendar.timezone.zoneinfo.unpickle_rruleset_with_cache