Default browser settings along with Make Default button is missing is brave://settings page

[GeetaSarvadnya]

Description

Default browser settings along with Make Default button is missing is brave://settings page

Steps to Reproduce

1. Clean profile 1.7.95 Chromium 81.0.4044.92
2. Navigate to brave://settings
3. There is no Default browser settings also Make Default option is missing

Actual result:

Default browser settings along with Make Default button is missing is brave://settings page

Expected result:

Reproduces how often:

Always

Brave version (brave://version info)

Brave	1.7.95 Chromium: 81.0.4044.92 (Official Build) (64-bit)
Revision	e98e6f21168a55e7ba57202f56323911cd9d31d1-refs/branch-heads/4044@{#883}
OS	Windows 10 OS Version 1803 (Build 17134.1006)

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes in 1.7.92 Chromium: 80.0.3987.163
• Can you reproduce this issue with the beta channel? Not in 1.8.75 Chromium 81.0.4044.92
• Can you reproduce this issue with the dev channel? Not in 1.8.76 Chromium 81.0.4044.92
• Can you reproduce this issue with the nightly channel? Not in 1.9.21 Chromium 81.1.9.21

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 @bsclifton @rebron