remove conditional compilation based on compiler versions

Author: glessard

README.md

@@ -18,7 +18,7 @@ On all other Swift platforms, `swift-foundation` is available as part of the too
 ## Building and Testing
 
 > [!NOTE]
-> Building swift-foundation requires the in-development Swift 6.0 toolchain. You can download the Swift 6.0 nightly toolchain from [the Swift website](https://swift.org/install).
+> Building swift-foundation requires the in-development Swift 6.2 toolchain. You can download the Swift 6.2 nightly toolchain from [the Swift website](https://swift.org/install).
 
 Before building Foundation, first ensure that you have a Swift toolchain installed. Next, check out the _Getting Started_ section of the [Foundation Build Process](Foundation_Build_Process.md#getting-started) guide for detailed steps on building and testing.
 

Sources/FoundationEssentials/Data/Data.swift

@@ -605,9 +605,7 @@ internal final class __DataStorage : @unchecked Sendable {
 
 @frozen
 @available(macOS 10.10, iOS 8.0, watchOS 2.0, tvOS 9.0, *)
-#if compiler(>=6.2)
 @_addressableForDependencies
-#endif
 public struct Data : Equatable, Hashable, RandomAccessCollection, MutableCollection, RangeReplaceableCollection, MutableDataProtocol, ContiguousBytes, Sendable {
 
     public typealias Index = Int
@@ -2203,7 +2201,6 @@ public struct Data : Equatable, Hashable, RandomAccessCollection, MutableCollect
         return try _representation.withUnsafeBytes(body)
     }
 
-#if compiler(>=6.2)
     @available(FoundationSpan 6.2, *)
     public var bytes: RawSpan {
         @lifetime(borrow self)
@@ -2299,7 +2296,6 @@ public struct Data : Equatable, Hashable, RandomAccessCollection, MutableCollect
 #endif
         }
     }
-#endif
 
     @_alwaysEmitIntoClient
     public func withContiguousStorageIfAvailable<ResultType>(_ body: (_ buffer: UnsafeBufferPointer<UInt8>) throws -> ResultType) rethrows -> ResultType? {
@@ -2951,7 +2947,6 @@ extension Data : Codable {
     }
 }
 
-#if compiler(>=6.2)
 // TODO: remove once _overrideLifetime is public in the standard library
 
 /// Unsafely discard any lifetime dependency on the `dependent` argument. Return
@@ -3008,4 +3003,3 @@ internal func _overrideLifetime<
   // should be expressed by a builtin that is hidden within the function body.
   dependent
 }
-#endif