Remove sentry/core import from devdeps

Author: andreiborza

dev-packages/cloudflare-integration-tests/package.json

@@ -16,7 +16,6 @@
     "@sentry/cloudflare": "10.1.0"
   },
   "devDependencies": {
-    "@sentry/core": "10.1.0",
     "@cloudflare/workers-types": "^4.20250708.0",
     "@sentry-internal/test-utils": "link:../test-utils",
     "vitest": "^3.2.4",