Remove unused code and refactor types importing

src/components/molecules/Location.svelte

@@ -38,7 +38,7 @@
         const moveProgress = (clientX - left) / width // 0 to 1
 
         // Move horizontally
-        offset.update($c => ({
+        offset.update(_ => ({
             x: lerp(-56, 56, moveProgress),
             y: 0
         }))
@@ -48,7 +48,7 @@
     }
 
     // Leaving mouseover
-    const handleMouseLeave = (event: MouseEvent) => {
+    const handleMouseLeave = () => {
         offset.update($c => ({
             x: $c.x,
             y: 40