remove ~copyable

Author: swhitty

Sources/Mutex.swift

@@ -73,9 +73,9 @@ public struct Mutex<Value: ~Copyable>: @unchecked Sendable, ~Copyable {
 
 #elseif compiler(>=6) && canImport(WinSDK)
 
-// Windows doesn't support <Value: ~Copyable> yet
+// Windows doesn't support ~Copyable yet
 
-public struct Mutex<Value>: @unchecked Sendable, ~Copyable {
+public struct Mutex<Value>: @unchecked Sendable {
     package let lock = AllocatedLock()
     private let storage: Storage