Fix tests

Author: danjm

test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-background-state.json

@@ -140,7 +140,6 @@
     "marketingCampaignCookieId": null,
     "eventsBeforeMetricsOptIn": "object",
     "traits": "object",
-    "previousUserTraits": "object",
     "fragments": "object",
     "segmentApiCalls": "object"
   },

test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-ui-state.json

@@ -207,7 +207,6 @@
     "marketingCampaignCookieId": null,
     "eventsBeforeMetricsOptIn": "object",
     "traits": "object",
-    "previousUserTraits": "object",
     "fragments": "object",
     "segmentApiCalls": "object",
     "metaMetricsDataDeletionId": null,

test/integration/data/onboarding-completion-route.json

@@ -258,25 +258,6 @@
   "preventPollingOnNetworkRestart": false,
   "previousAppVersion": "",
   "previousMigrationVersion": 0,
-  "previousUserTraits": {
-    "address_book_entries": 1,
-    "install_date_ext": "",
-    "ledger_connection_type": "u2f",
-    "networks_added": [],
-    "networks_without_ticker": [],
-    "nft_autodetection_enabled": false,
-    "number_of_accounts": 1,
-    "number_of_nft_collections": 0,
-    "number_of_nfts": 0,
-    "number_of_tokens": 0,
-    "undefined": false,
-    "three_box_enabled": false,
-    "theme": "os",
-    "token_detection_enabled": true,
-    "desktop_enabled": false,
-    "security_providers": ["blockaid"],
-    "petname_addresses_count": 1
-  },
   "providerConfig": {
     "type": "sepolia",
     "chainId": "0xaa36a7",