web/processing: hide override section when DEFAULT_API isn't present

web/src/routes/settings/processing/+page.svelte

@@ -1,10 +1,12 @@
 <script lang="ts">
+    import env from "$lib/env";
     import { t } from "$lib/i18n/translations";
 
-    import SettingsCategory from "$components/settings/SettingsCategory.svelte";
     import SettingsToggle from "$components/buttons/SettingsToggle.svelte";
+    import SettingsCategory from "$components/settings/SettingsCategory.svelte";
 </script>
 
+{#if env.DEFAULT_API}
     <SettingsCategory sectionId="override" title={$t("settings.processing.override")}>
         <SettingsToggle
             settingContext="processing"
@@ -13,3 +15,4 @@
             description={$t("settings.processing.override.description")}
         />
     </SettingsCategory>
+{/if}