Remove CTA button from mobile

src/lib/components/MobileBookBar.svelte

@@ -3,6 +3,7 @@
   import { afterNavigate } from '$app/navigation';
   import { page } from '$app/stores';
   import Icon from '$lib/components/Icon.svelte';
+  import { isMobileCtaButtonEnabled } from '$lib/feature-flags';
 
   /*
    * Sticky bottom CTA shown on mobile only.
@@ -20,6 +21,8 @@
    * to book while they're already on the form).
    */
 
+  const mobileCtaButtonEnabled = isMobileCtaButtonEnabled();
+
   $: pathname = $page.url.pathname;
   $: hidden = pathname === '/contact-us' || pathname === '/booking';
 
@@ -41,7 +44,7 @@
   }
 
   async function setupObservers() {
-    if (typeof window === 'undefined') {
+    if (!mobileCtaButtonEnabled || typeof window === 'undefined') {
       return;
     }
 
@@ -84,6 +87,10 @@
   }
 
   afterNavigate(() => {
+    if (!mobileCtaButtonEnabled) {
+      return;
+    }
+
     visible = false;
     triggerPassed = false;
     bookingInView = false;
@@ -91,6 +98,10 @@
   });
 
   onMount(() => {
+    if (!mobileCtaButtonEnabled) {
+      return;
+    }
+
     void setupObservers();
 
     return () => {
@@ -99,7 +110,7 @@
   });
 </script>
 
-{#if !hidden}
+{#if mobileCtaButtonEnabled && !hidden}
   <div
     class="mobile-book-bar"
     class:mobile-book-bar-visible={visible}