Removing the properties suggestions feature

This feature is moved directly into Philomena. This implementation is
now outdated and depends on the previous version of suggestions popup.

src/routes/preferences/+page.svelte

@@ -7,7 +7,6 @@
   <MenuItem href="/" icon="arrow-left">Back</MenuItem>
   <hr>
   <MenuItem href="/preferences/tags">Tagging</MenuItem>
-  <MenuItem href="/preferences/search">Search</MenuItem>
   <MenuItem href="/preferences/misc">Misc & Tools</MenuItem>
   <hr>
   <MenuItem href="/preferences/debug">Debug</MenuItem>

src/routes/preferences/search/+page.svelte

@@ -1,32 +0,0 @@
-<script>
-  import Menu from "$components/ui/menu/Menu.svelte";
-  import MenuItem from "$components/ui/menu/MenuItem.svelte";
-  import FormContainer from "$components/ui/forms/FormContainer.svelte";
-  import FormControl from "$components/ui/forms/FormControl.svelte";
-  import { searchPropertiesSuggestionsEnabled, searchPropertiesSuggestionsPosition } from "$stores/preferences/search";
-  import CheckboxField from "$components/ui/forms/CheckboxField.svelte";
-  import SelectField from "$components/ui/forms/SelectField.svelte";
-
-  const propertiesPositions = {
-    start: "At the start of the list",
-    end: "At the end of the list",
-  }
-</script>
-
-<Menu>
-  <MenuItem href="/preferences" icon="arrow-left">Back</MenuItem>
-  <hr>
-</Menu>
-<FormContainer>
-  <FormControl>
-    <CheckboxField bind:checked={$searchPropertiesSuggestionsEnabled}>
-      Auto-complete properties
-    </CheckboxField>
-  </FormControl>
-  {#if $searchPropertiesSuggestionsEnabled}
-    <FormControl label="Show completed properties:">
-      <SelectField bind:value={$searchPropertiesSuggestionsPosition}
-                   options="{propertiesPositions}"></SelectField>
-    </FormControl>
-  {/if}
-</FormContainer>