Remove unused files

src/lib/components/wizard/StepGalleryNavigation.svelte

@@ -1,34 +0,0 @@
-<script lang="ts">
-  let { canProceed, photos, currentStep } = $props<{
-    canProceed: () => boolean;
-    photos: any[];
-    currentStep: any;
-  }>();
-
-  function handleBack() {
-    currentStep.set(4);
-  }
-
-  function handleNext() {
-    currentStep.set(6);
-  }
-</script>
-
-<div class="flex justify-between">
-  <button
-    onclick={handleBack}
-    class="px-4 py-2 bg-gray-200 text-gray-700 rounded-lg font-medium hover:bg-gray-300"
-  >
-    ← Back to Row Filter
-  </button>
-  
-  <button
-    onclick={handleNext}
-    disabled={!canProceed()}
-    class="px-4 py-2 bg-blue-600 text-white rounded-lg font-medium hover:bg-blue-700 disabled:bg-gray-400 disabled:cursor-not-allowed"
-  >
-    {canProceed() 
-      ? `Generate ${photos.filter(p => p.status === 'success' && p.cropData).length} Cards →` 
-      : 'Waiting for photos to load and crop'}
-  </button>
-</div>