suppress-remarks option does not work

[Frizlab]

Description

Running swiftc with the -suppress-remarks option does not suppress remarks.

Reproduction

42sh$ cat toto.swift
@preconcurrency import Foundation
42sh$ swiftc -suppress-remarks toto.swift
toto.swift:1:17: remark: '@preconcurrency' attribute on module 'Foundation' is unused
@preconcurrency import Foundation
~~~~~~~~~~~~~~~~^

Expected behavior

The file should compile with no output.

Environment

swift-driver version: 1.90.11.1 Apple Swift version 5.10 (swiftlang-5.10.0.13 clang-1500.3.9.4)
Target: arm64-apple-macosx14.0

and

Swift version 5.10 (swift-5.10-RELEASE)
Target: aarch64-unknown-linux-gnu

Additional information

No response

[hborla]

These diagnostics were moved to warnings in #69417