Apply feedback from pitch

Author: Azoy

CMakeLists.txt

@@ -647,10 +647,6 @@ option(SWIFT_ENABLE_EXPERIMENTAL_OBSERVATION
   "Enable build of the Swift observation module"
   FALSE)
 
-option(SWIFT_ENABLE_SYNCHRONIZATION
-  "Enable build of the Swift Synchronization module"
-  FALSE)
-
 option(SWIFT_ENABLE_DISPATCH
   "Enable use of libdispatch"
   TRUE)
@@ -1226,7 +1222,6 @@ if(SWIFT_BUILD_STDLIB OR SWIFT_BUILD_SDK_OVERLAY)
   message(STATUS "Backtracing Support:                ${SWIFT_ENABLE_BACKTRACING}")
   message(STATUS "Unicode Support:                    ${SWIFT_STDLIB_ENABLE_UNICODE_DATA}")
   message(STATUS "Observation Support:                ${SWIFT_ENABLE_EXPERIMENTAL_OBSERVATION}")
-  message(STATUS "Synchronization Support:            ${SWIFT_ENABLE_SYNCHRONIZATION}")
   message(STATUS "")
 else()
   message(STATUS "Not building Swift standard library, SDK overlays, and runtime")

stdlib/cmake/modules/SwiftSource.cmake

@@ -321,10 +321,6 @@ function(_add_target_variant_swift_compile_flags
     list(APPEND result "-D" "SWIFT_ENABLE_EXPERIMENTAL_OBSERVATION")
   endif()
 
-  if (SWIFT_ENABLE_SYNCHRONIZATION)
-    list(APPEND result "-D" "SWIFT_ENABLE_SYNCHRONIZATION")
-  endif()
-
   if(SWIFT_STDLIB_OS_VERSIONING)
     list(APPEND result "-D" "SWIFT_RUNTIME_OS_VERSIONING")
   endif()

stdlib/public/CMakeLists.txt

@@ -245,10 +245,6 @@ if(SWIFT_BUILD_STDLIB AND NOT SWIFT_STDLIB_BUILD_ONLY_CORE_MODULES)
   if(SWIFT_ENABLE_BACKTRACING)
     add_subdirectory(Backtracing)
   endif()
-
-  if(SWIFT_ENABLE_SYNCHRONIZATION)
-    add_subdirectory(Synchronization)
-  endif()
 endif()
 
 if(SWIFT_BUILD_REMOTE_MIRROR)