BAT confirmations are initialized on clean profile

[btlechowski]

Follow up to #9544

Steps to Reproduce

1. Clean profile
2. Run Brave with:
   In 1.10.x use --enable-logging=stderr --vmodule=brave_ads=3
   in 1.11.x use --enable-logging=stderr --vmodule="*/bat-native-ads/*"=6,"*/bat-native-confirmations/*"=6,"*/bat-native-ledger/*"=6
3. Check the log for Initializing confirmations
4. Check if file Default/rewards_service/confirmations.json is created

Actual result:

Initializing confirmations is recorded in the logs
Default/rewards_service/confirmations.json is created

Expected result:

Initializing confirmations is not recorded in the logs
Default/rewards_service/confirmations.json is not created

Reproduces how often:

100% repro rate

Brave version (brave://version info)

Brave	1.10.82 Chromium: 81.0.4044.138 (Official Build) dev (64-bit)
Revision	8c6c7ba89cc9453625af54f11fd83179e23450fa-refs/branch-heads/4044@{#999}
OS	Ubuntu 18.04 LTS

cc @brave/legacy_qa @tmancey

[tmancey]

Fixed in 1.11.x

[bsclifton]

@tmancey can we close this issue?

[btlechowski]

Also reproduced on upgrade

Brave	1.10.87 Chromium: 83.0.4103.61 (Official Build) (64-bit)
Revision	94f915a8d7c408b09cc7352161ad592299f384d2-refs/branch-heads/4103@{#561}
OS	Ubuntu 18.04 LTS

Failed on upgrade from 1.9.x - rewards never enabled in 1.9.x
Failed on upgrade from 0.61.x - rewards never enabled in 0.61.x
Used https://github.com/brave/brave-browser/releases/tag/v0.61.52

[LaurenWags]

Verified passed with

Brave | 1.11.78 Chromium: 83.0.4103.116 (Official Build) dev (64-bit)
-- | --
Revision | 8f0c18b4dca9b6699eb629be0f51810c24fb6428-refs/branch-heads/4103@{#716}
OS | macOS Version 10.14.6 (Build 18G3020)

• Verified STR from description. Confirmed Initializing confirmations is not recorded in the logs. Confirmed Default/rewards_service/confirmations.json is not created.
• Reproduced issue on 1.10.97 with Rewards never enabled. Upgraded to 1.11.x. Confirmed Initializing confirmations is not recorded in the logs. However, since Default/rewards_service/confirmations.json was created with 1.10.97, it does still exist.

---

Verification passed on

Brave | 1.11.78 Chromium: 83.0.4103.116 (Official Build) dev (64-bit)
-- | --
Revision | 8f0c18b4dca9b6699eb629be0f51810c24fb6428-refs/branch-heads/4103@{#716}
OS | Windows 10 OS Version 1903 (Build 18362.900)

• Verified the STR from the description

Clean profile:

• Verified that Initializing confirmations logs are not recorded when brave is launched.
• Verified that confirmations.json file isn't created under Default/rewards_service/

Upgraded profile:

• Launched 1.10.97 and verified that Initializing confirmations logs are recorded and then upgrade the profile to 1.11.78 and ensured that Initializing confirmations logs are not recorded. confirmations.json file is present under Default/rewards_service/ as it was created with 1.10.97

---

Verified passed with

Brave	1.11.84 Chromium: 83.0.4103.116 (Official Build) dev (64-bit)
Revision	8f0c18b4dca9b6699eb629be0f51810c24fb6428-refs/branch-heads/4103@{#716}
OS	Linux

• Verified STR from description. Confirmed Initializing confirmations is not recorded in the logs. Confirmed Default/rewards_service/confirmations.json is not created.
• Reproduced issue on 1.10.97 with Rewards never enabled. Upgraded to 1.11.x. Confirmed Initializing confirmations is not recorded in the logs. However, since Default/rewards_service/confirmations.json was created with 1.10.97, it does still exist