remove "Brave Pay"/Brave Account text

[rebron]

Test plan

1. Visit brave://settings/payments
2. Ensure To add or manage Brave Pay payment methods, visit your Brave Account does NOT show (see picture below for example)

Description

C74 update included text that doesn't belong. Need to remove the following text:

"To add or manage Brave Pay payment methods, visit your Brave Account"
from:
brave://settings/payments

Expected result:

Text above isn't displayed at all.

Brave version (brave://version info)

0.63.35 Chromium: 74.0.3729.61

Reproducible on current release:

• Not in release builds (62.x), currently only 63.x and above.

[LaurenWags]

Encountered this issue while testing #4033 on macOS

Brave	0.63.35 Chromium: 74.0.3729.61 (Official Build) beta(64-bit)
Revision	5df2c8936783bd7575987e45d72a92fcf528496b-refs/branch-heads/3729@{#645}
OS	Mac OS X

[LaurenWags]

Verified passed with

Brave	0.63.45 Chromium: 74.0.3729.75 (Official Build) beta(64-bit)
Revision	fdb7915642fef8cf997beac2554709d148e3c187-refs/branch-heads/3729@{#754}
OS	Mac OS X

• Verified STR from description

Verification passed on

Brave	0.63.45 Chromium: 74.0.3729.75 (Official Build) beta(64-bit)
Revision	fdb7915642fef8cf997beac2554709d148e3c187-refs/branch-heads/3729@{#754}
OS	Linux

Verification passed on

Brave	0.63.45 Chromium: 74.0.3729.75 (Official Build) beta (64-bit)
Revision	fdb7915642fef8cf997beac2554709d148e3c187-refs/branch-heads/3729@{#754}
OS	Windows 10 OS Build 17134.523