Revert "build(cardano-services-client): add missing dependency"

This reverts commit f2db32d.

Author: rhyslbw

packages/cardano-services-client/package.json

@@ -56,7 +56,6 @@
     "typescript": "^4.7.4"
   },
   "dependencies": {
-    "@blockfrost/blockfrost-js": "^5.7.0",
     "@cardano-sdk/core": "workspace:~",
     "@cardano-sdk/crypto": "workspace:~",
     "@cardano-sdk/util": "workspace:~",