Remove unused dependency

Author: Mrtenz

packages/examples/packages/send-flow/package.json

@@ -45,7 +45,6 @@
   "dependencies": {
     "@metamask/rpc-errors": "^7.0.2",
     "@metamask/snaps-sdk": "workspace:^",
-    "@metamask/superstruct": "^3.1.0",
     "@metamask/utils": "^11.2.0"
   },
   "devDependencies": {

yarn.lock

@@ -5425,7 +5425,6 @@ __metadata:
     "@metamask/snaps-cli": "workspace:^"
     "@metamask/snaps-jest": "workspace:^"
     "@metamask/snaps-sdk": "workspace:^"
-    "@metamask/superstruct": "npm:^3.1.0"
     "@metamask/utils": "npm:^11.2.0"
     "@swc/core": "npm:1.3.78"
     "@swc/jest": "npm:^0.2.26"