[GLib] Remote playback tests gardening

https://bugs.webkit.org/show_bug.cgi?id=261275

Unreviewed, skip WPT remote-playback tests, WIRELESS_PLAYBACK_TARGET is disabled in GLib ports.

* LayoutTests/platform/glib/TestExpectations:

Canonical link: https://commits.webkit.org/267738@main

LayoutTests/platform/glib/TestExpectations

@@ -2156,6 +2156,7 @@ webkit.org/b/158923 media/airplay-autoplay.html [ Skip ]
 webkit.org/b/158923 media/airplay-allows-buffering.html [ Skip ]
 webkit.org/b/158923 media/modern-media-controls/placard-support/placard-support-airplay-fullscreen-no-controls.html [ Skip ]
 webkit.org/b/158923 media/modern-media-controls/placard-support/placard-support-airplay-fullscreen.html [ Skip ]
+webkit.org/b/206528 imported/w3c/web-platform-tests/remote-playback [ Skip ]
 
 # LEGACY_ENCRYPTED_MEDIA is deprecated
 fast/events/webkit-media-key-events-constructor.html [ Skip ]
@@ -2989,14 +2990,6 @@ webkit.org/b/206002 http/wpt/css/css-highlight-api/highlight-text-replace.html [
 webkit.org/b/206416 imported/w3c/web-platform-tests/fetch/content-encoding/bad-gzip-body.any.worker.html [ Failure ]
 webkit.org/b/206416 imported/w3c/web-platform-tests/fetch/range/sw.https.window.html [ Failure ]
 
-# Remote-playback tests.
-webkit.org/b/206528 imported/w3c/web-platform-tests/remote-playback/cancel-watch-availability.html [ Failure ]
-webkit.org/b/206528 imported/w3c/web-platform-tests/remote-playback/disable-remote-playback-cancel-watch-availability-throws.html [ Failure ]
-webkit.org/b/206528 imported/w3c/web-platform-tests/remote-playback/disable-remote-playback-prompt-throws.html [ Failure ]
-webkit.org/b/206528 imported/w3c/web-platform-tests/remote-playback/disable-remote-playback-watch-availability-throws.html [ Failure ]
-webkit.org/b/206528 imported/w3c/web-platform-tests/remote-playback/idlharness.window.html [ Failure ]
-webkit.org/b/206528 imported/w3c/web-platform-tests/remote-playback/watch-availability-initial-callback.html [ Failure ]
-
 webkit.org/b/206005 fast/box-shadow/inset-box-shadow.html [ ImageOnlyFailure ]
 webkit.org/b/234529 fast/box-shadow/hidpi-box-shadow-inset-on-subpixel-position.html [ ImageOnlyFailure ]
 webkit.org/b/206692 fast/canvas/canvas-fillPath-shadow.html [ Failure ]