[Frontend] Remove TypeWrappers flag and associated attributes

Author: xedin

include/swift/Basic/Features.def

@@ -132,11 +132,6 @@ EXPERIMENTAL_FEATURE(SendableCompletionHandlers, false)
 /// Enables opaque type erasure without also enabling implict dynamic
 EXPERIMENTAL_FEATURE(OpaqueTypeErasure, false)
 
-/// Whether to enable experimental @typeWrapper feature which allows to
-/// declare a type that controls access to all stored properties of the
-/// wrapped type.
-EXPERIMENTAL_FEATURE(TypeWrappers, false)
-
 /// Whether to perform round-trip testing of the Swift Swift parser.
 EXPERIMENTAL_FEATURE(ParserRoundTrip, false)
 

utils/gyb_syntax_support/AttributeKinds.py

@@ -692,11 +692,6 @@ def __init__(self, name, swift_name=None):
                   ABIStableToAdd, ABIStableToRemove, APIStableToAdd, APIStableToRemove,
                   code=133),
 
-    SimpleDeclAttribute('typeWrapper', 'TypeWrapper',
-                        OnStruct, OnClass, OnEnum,
-                        ABIStableToAdd, ABIStableToRemove, APIStableToAdd, APIStableToRemove,  # noqa: E501
-                        code=134),
-
     SimpleDeclAttribute('_spiOnly', 'SPIOnly',
                         OnImport, UserInaccessible,
                         ABIStableToAdd, ABIStableToRemove, APIStableToAdd, APIStableToRemove,  # noqa: E501
@@ -706,11 +701,6 @@ def __init__(self, name, swift_name=None):
                   APIBreakingToAdd, APIStableToRemove, ABIStableToAdd, ABIStableToRemove,  # noqa: E501
                   code=136),
 
-    SimpleDeclAttribute('typeWrapperIgnored', 'TypeWrapperIgnored',
-                        OnVar,
-                        ABIStableToAdd, ABIStableToRemove, APIStableToAdd, APIStableToRemove,  # noqa: E501
-                        code=137),
-
     SimpleDeclAttribute('_noMetadata', 'NoMetadata',
                         OnGenericTypeParam,
                         UserInaccessible,