refactor: remove unused and legacy code

- remove legacy migrations
- remove unused server code
- remove unused UI code

apps/client/src/features/viewers/common/animation.ts

@@ -1,15 +0,0 @@
-// used in both sm and public views
-export const titleVariants = {
-  hidden: {
-    x: -1500,
-  },
-  visible: {
-    x: 0,
-    transition: {
-      duration: 1,
-    },
-  },
-  exit: {
-    x: -1500,
-  },
-};