[Desktop] Remove Brave Account branding for password storage

[srirambv]

Description

Remove Brave Account branding for password storage

Steps to Reproduce

1. Enable Sync on nightly
2. Enable passwords in Sync Settings
3. Create an account on a page, suggests password to store which has Brave Account branding
4. Save Password modal also has Brave Account branding

Actual result:

Expected result:

No Brave Account branding anywhere in the product.
Replace Brave Account with Brave sync chain

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	1.12.45 Chromium: 83.0.4103.116 (Official Build) nightly (64-bit)
Revision	8f0c18b4dca9b6699eb629be0f51810c24fb6428-refs/branch-heads/4103@{# 716}
OS	Linux

Version/Channel Information:

• Can you reproduce this issue with the current release? NA
• Can you reproduce this issue with the beta channel? NA
• Can you reproduce this issue with the dev channel? NA
• 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: @darkdh @rebron @bsclifton @jsecretan @brave/legacy_qa

[jsecretan]

So @rebron is Brave Sync Chain ok alternative text here?

[rebron]

Alternative text of Brave sync chain to replace is good here.

[rebron]

cc: @darkdh

[rebron]

Checked that this is working in one place, but there are several locations for this fix that's we'll want to check.

Brave	1.14.27 Chromium: 85.0.4183.59 (Official Build) nightly (64-bit)
Revision	7cc9a5ee672625c38427a839cb1b15efd3128084-refs/branch-heads/4183@{#1216}
OS	macOS Version 10.16 (Build 20A5343i)

Looks good:

[GeetaSarvadnya]

Verification passed on

Brave | 1.13.73 Chromium: 84.0.4147.125 (Official Build) dev (64-bit)
-- | --
Revision | d0784639447f2e10d32ebaf9861092b20cfde286-refs/branch-heads/4147@{#1059}
OS | Windows 10 OS Version 1903 (Build 18362.1016)

• Verified the test plan from Use Brave sync chain instead of Brave Account brave-core#6317
• Verified that the text is displayed as Passwords are saved in your Brave sync chain so you can use them on any device when clicking on password icon in the URL bar

---

Verified passed with

Brave | 1.13.76 Chromium: 85.0.4183.69 (Official Build) dev (64-bit)
-- | --
Revision | 4554ea1a1171bd8d06951a4b7d9336afe6c59967-refs/branch-heads/4183@{#1426}
OS | macOS Version 10.14.6 (Build 18G3020)

• Verified test plan from Use Brave sync chain instead of Brave Account brave-core#6317
• Verified STR from description
• Confirmed Passwords are saved in your Brave sync chain so you can use them on any device text is displayed when clicking on password icon in the URL bar

---

Verification passed on

Brave	1.13.77 Chromium: 85.0.4183.69 (Official Build) dev (64-bit)
Revision	4554ea1a1171bd8d06951a4b7d9336afe6c59967-refs/branch-heads/4183@{#1426}
OS	Ubuntu 18.04 LTS

Verified test plan from the description

Passwords are saved in your Brave sync chain so you can use them on any device is not translated

Logged #11341