Removed unused methods

templates/dialogs/check-is-a-holiday.gohtml

@@ -1,23 +0,0 @@
-<dialog class="card" data-closeable id="check-is-a-holiday">
-    <div style="display: flex;">
-        <h2 style="margin-right: 1em;">Is it a holiday?</h2>
-        <button onclick="closeDialog('#check-is-a-holiday')" class="clean icon"><img class="icon" src="/assets/icons/close-x.svg"></button>
-    </div>
-    <form method="get" action="/search">
-        <section>
-            <label for="country">Country:</label>
-            <select id="country" name="country">
-                {{range $entry := .Countries}}
-                    <option value="{{$entry.IsoName}}">{{$entry.Name}}</option>
-                {{end}}
-            </select>
-        </section>
-        <section>
-            <label for="date">Date:</label>
-            <input id="date" name="date" type="date" required>
-        </section>
-        <section class="actions">
-            <button style="width: 100%;" type="submit">Check is a holiday</button>
-        </section>
-    </form>
-</dialog>