Revert "[Sema] Propagate nonisolated attribute from wrapped property to the synthesized projectedValue property (#60421)" (#60462)

This reverts commit 2aa47b8.

Author: theblixguy

lib/Sema/TypeCheckStorage.cpp

@@ -2682,13 +2682,6 @@ static VarDecl *synthesizePropertyWrapperProjectionVar(
     var->getAttrs().add(
         new (ctx) ProjectedValuePropertyAttr(name, SourceLoc(), SourceRange(),
                                              /*Implicit=*/true));
-
-  // If the wrapped property has a nonisolated attribute, propagate it to
-  // the synthesized projectedValue as well.
-  if (var->getAttrs().getAttribute<NonisolatedAttr>()) {
-    property->getAttrs().add(new (ctx) NonisolatedAttr(/*Implicit=*/true));
-  }
-
   return property;
 }
 

test/Concurrency/global_actor_inference.swift

@@ -457,51 +457,7 @@ func testInferredFromWrapper(x: InferredFromPropertyWrapper) { // expected-note{
   _ = x.test() // expected-error{{call to global actor 'SomeGlobalActor'-isolated instance method 'test()' in a synchronous nonisolated context}}
 }
 
-// https://github.com/apple/swift/issues/59380
-// https://github.com/apple/swift/issues/59494
 
-// Make sure the nonisolated attribute propagates to the synthesized projectedValue
-// variable as well.
-
-@propertyWrapper 
-struct SimplePropertyWrapper {
-  var wrappedValue: Int { .zero }
-  var projectedValue: Int { .max }
-}
-
-@MainActor
-class HasNonIsolatedProperty {
-  @SimplePropertyWrapper nonisolated var value
-
-  deinit {
-    _ = value
-    _ = $value // Ok
-  }
-}
-
-@propertyWrapper
-struct SimplePropertyWrapper2 {
-  var wrappedValue: Int
-  var projectedValue: SimplePropertyWrapper2 { self }
-}
-
-@MainActor
-class HasNonIsolatedProperty2 {
-  @SimplePropertyWrapper2 nonisolated var value = 0
-  nonisolated init() {}
-}
-
-let hasNonIsolatedProperty2 = HasNonIsolatedProperty2()
-
-Task { @MainActor in
-  hasNonIsolatedProperty2.value = 10
-  _ = hasNonIsolatedProperty2.$value.wrappedValue
-}
-
-Task.detached {
-  hasNonIsolatedProperty2.value = 10
-  _ = hasNonIsolatedProperty2.$value.wrappedValue // Ok
-}
 
 // ----------------------------------------------------------------------
 // Unsafe global actors