[Desktop] Follow up of #10064 - Rewards.logs are not removed from profile folder when rewards is reset

[GeetaSarvadnya]

Description

Follow up of #10064 - Rewards.logs are not removed from profile folder when rewards is reset

Steps to Reproduce

1. Clean profile 1.12.x
2. Enable rewards
3. Reset rewards from the settings page
4. Rewards is turned off instead of getting reset
5. Open profile folder and navigate to the Default folder
6. Rewards.log file is not removed from the profile folder

Actual result:

Rewards.logs are not removed from profile folder when rewards is reset

Expected result:

Rewards.logs should be removed from profile folder when rewards is reset

Reproduces how often:

Always

Brave version (brave://version info)

Brave	1.12.102 Chromium: 84.0.4147.89 (Official Build) dev (64-bit)
Revision	19abfe7bcba9318a0b2a6bc6634a67fc834aa592-refs/branch-heads/4147@{#852}
OS	Windows 10 OS Version 1903 (Build 18362.959)

Version/Channel Information:

• Can you reproduce this issue with the current release? NA
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? NA
• Does the issue resolve itself when disabling Brave Rewards? NA
• Is the issue reproducible on the latest version of Chrome? NA

Miscellaneous Information:

cc: @brave/legacy_qa @rebron @NejcZdovc

[srirambv]

This is happening due to rewards not being reset. Once #10934 is fixed this would be obsolete as it will reset rewards

[NejcZdovc]

@GeetaSarvadnya this is working as expected. logs are deleted, but then file is recreated as it logs success of shutdown for example.