Typed throws is enabled by default, we don't need to opt in

Author: DougGregor

stdlib/public/Concurrency/CMakeLists.txt

@@ -169,7 +169,6 @@ add_swift_target_library(swift_Concurrency ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} I
   SWIFT_COMPILE_FLAGS
     ${SWIFT_STANDARD_LIBRARY_SWIFT_FLAGS}
     -parse-stdlib
-    -enable-experimental-feature TypedThrows
     -diagnostic-style swift
     ${SWIFT_RUNTIME_CONCURRENCY_SWIFT_FLAGS}
   ${swift_concurrency_options}
@@ -256,7 +255,6 @@ if(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB AND SWIFT_SHOULD_BUILD_EMBEDDED_CONCURRENC
 
       SWIFT_COMPILE_FLAGS
         ${extra_swift_compile_flags} -enable-experimental-feature Embedded
-        -enable-experimental-feature TypedThrows
         -parse-stdlib -DSWIFT_CONCURRENCY_EMBEDDED
         ${SWIFT_RUNTIME_CONCURRENCY_SWIFT_FLAGS}
       C_COMPILE_FLAGS

test/Concurrency/async_iterator_inference.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -strict-concurrency=complete -emit-sil -o /dev/null %s -verify -enable-experimental-feature TypedThrows
+// RUN: %target-swift-frontend -strict-concurrency=complete -emit-sil -o /dev/null %s -verify
 // REQUIRES: concurrency
 
 @available(SwiftStdlib 5.1, *)