Remove @_transparent from InlineArray.count

It is orthogonal to @_semantics. @_transparent annotated functions need to be
inlined early and @_semantics annotated functions need to be inlined late.

Remove @_transparent since it has no effect here.

Author: meg-gupta

stdlib/public/core/InlineArray.swift

@@ -235,7 +235,6 @@ extension InlineArray where Element: ~Copyable {
   /// - Complexity: O(1)
   @available(SwiftStdlib 6.2, *)
   @_alwaysEmitIntoClient
-  @_transparent
   @_semantics("fixed_storage.get_count")
   @inline(__always)
   public var count: Int {