remove Bitcoin.com widget from NTP

[rebron]

Description

Remove Bitcoin.com from NTP card stack.

Steps to Reproduce and Actual result:

See #11982

Expected result:

Bitcoin.com should not appear on the NTP for new or existing users in all locales.

Reproduces how often:

n/a

Brave version (brave://version info)

In 1.15.x and 1.16.x. Remove for Bitcoin.com for 1.17.x

Version/Channel Information:

• Can you reproduce this issue with the current release? yes
• Can you reproduce this issue with the beta channel? yes
• Can you reproduce this issue with the nightly channel? yess

Other Additional Information:

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

Miscellaneous Information:

[srirambv]

Verification passed on

Brave	1.17.70 Chromium: 87.0.4280.60 (Official Build) (64-bit)
Revision	12697cfeb273d7de95cf9b18350d2c457f58224c-refs/branch-heads/4280@{#1352}
OS	Linux

• Verified BitCoin/Moonpay widget is removed from NTP card stack on clean install and upgrade

---

Verification passed on

Brave	1.17.70 Chromium: 87.0.4280.60 (Official Build) (64-bit)
Revision	12697cfeb273d7de95cf9b18350d2c457f58224c-refs/branch-heads/4280@{#1352}
OS	Windows 10 OS Version 1809 (Build 17763.1518)

• Verified BitCoin/Moonpay widget is removed from NTP card stack on clean install and upgrade

---

Verification passed on

Brave	1.17.70 Chromium: 87.0.4280.60 (Official Build) (x86_64)
Revision	12697cfeb273d7de95cf9b18350d2c457f58224c-refs/branch-heads/4280@{#1352}
OS	macOS Version 10.15.7 (Build 19H2)

• Verified BitCoin/Moonpay widget is removed from NTP card stack on clean install and upgrade

---

Need to reverify the NTP settings when #12759 is fixed via brave/brave-core#7183

[srirambv]

Verification passed on

Brave	1.17.71 Chromium: 87.0.4280.66 (Official Build) (64-bit)
Revision	fd98a29dd59b36f71e4741332c9ad5bda42094bf-refs/branch-heads/4280@{#1432}
OS	Linux

• Verified BitCoin/Moonpay widget entry is removed from New Tab Page section under settings

---

Verification passed on

Brave	1.17.71 Chromium: 87.0.4280.66 (Official Build) (64-bit)
Revision	fd98a29dd59b36f71e4741332c9ad5bda42094bf-refs/branch-heads/4280@{#1432}
OS	Windows 10 OS Version 1809 (Build 17763.1518)

• Verified BitCoin/Moonpay widget entry is removed from New Tab Page section under settings

---

Verification passed on

Brave	1.17.71 Chromium: 87.0.4280.66 (Official Build) (x86_64)
Revision	fd98a29dd59b36f71e4741332c9ad5bda42094bf-refs/branch-heads/4280@{#1432}
OS	macOS Version 10.15.7 (Build 19H2)

• Verified BitCoin/Moonpay widget entry is removed from New Tab Page section under settings