Remove @inline(always) from Array's nonNative getter

This forces it to be inlined even in cold paths

Author: meg-gupta

stdlib/public/core/ArrayBuffer.swift

@@ -510,7 +510,6 @@ extension _ArrayBuffer {
 
   @inlinable
   internal var _nonNative: _CocoaArrayWrapper {
-    @inline(__always)
     get {
       _internalInvariant(_isClassOrObjCExistential(Element.self))
       return _CocoaArrayWrapper(_storage.objCInstance)