fix: stop Interface settings save from overwriting the default model (#30953)

src/lib/components/common/InterfaceSettings.svelte

@@ -42,7 +42,6 @@
 	let userLocation = false;
 
 	// Interface
-	let defaultModelId = '';
 	let showUsername = false;
 
 	let highContrastMode = false;
@@ -247,7 +246,6 @@
 		}
 
 		saveSettings({
-			models: [defaultModelId],
 			imageCompressionSize: imageCompressionSize,
 			fontFamily
 		});
@@ -387,11 +385,6 @@
 		imageCompressionSize = currentSettings?.imageCompressionSize ?? { width: '', height: '' };
 		imageCompressionInChannels = currentSettings?.imageCompressionInChannels ?? true;
 
-		defaultModelId = currentSettings?.models?.at(0) ?? '';
-		if ($config?.default_models) {
-			defaultModelId = $config.default_models.split(',')[0];
-		}
-
 		backgroundImageUrl = currentSettings?.backgroundImageUrl ?? null;
 		webSearch = currentSettings?.webSearch ?? null;