Tests: Re-enable slow WPT svg-in-iframe/object tests

These all use `<meta name=timeout content=long>` and so should now be
safe to run without timing out.

Fixes LadybirdBrowser#2792

Tests/LibWeb/TestConfig.ini

@@ -161,15 +161,6 @@ Text/input/wpt-import/css/css-backgrounds/animations/box-shadow-composition.html
 Text/input/wpt-import/css/css-backgrounds/animations/box-shadow-interpolation.html
 Text/input/wpt-import/css/css-backgrounds/animations/discrete-no-interpolation.html
 
-; Frequently time out on macOS
-; https://github.com/LadybirdBrowser/ladybird/issues/2792
-Text/input/wpt-import/html/rendering/replaced-elements/svg-embedded-sizing/svg-in-iframe-auto.html
-Text/input/wpt-import/html/rendering/replaced-elements/svg-embedded-sizing/svg-in-iframe-fixed.html
-Text/input/wpt-import/html/rendering/replaced-elements/svg-embedded-sizing/svg-in-iframe-percentage.html
-Text/input/wpt-import/html/rendering/replaced-elements/svg-embedded-sizing/svg-in-object-auto.html
-Text/input/wpt-import/html/rendering/replaced-elements/svg-embedded-sizing/svg-in-object-fixed.html
-Text/input/wpt-import/html/rendering/replaced-elements/svg-embedded-sizing/svg-in-object-percentage.html
-
 ; Crashes inconsistently on CI
 ; https://github.com/LadybirdBrowser/ladybird/issues/2900
 Text/input/ShadowDOM/css-hover-shadow-dom.html