chore: temporarily remove aztec.js

Author: TomAFrench

packages/react-app/package.json

@@ -16,7 +16,6 @@
     "@material-ui/core": "^4.9.5",
     "@material-ui/icons": "^4.9.1",
     "@notestream/contract-artifacts": "^1.0.1",
-    "aztec.js": "^0.17.0",
     "bnc-onboard": "^1.7.1",
     "ethers": "^4.0.46",
     "graphql": "^14.6.0",