Brave-ios: Disable Bookmarklets URL bar entirely

[Brandon-T]

Description:

• Disable bookmarklets due to security issue
• Internal description due to nature of bug discovered
  https://bravesoftware.slack.com/archives/G2KN13Z8C/p1580533016008700?thread_ts=1580526417.004800&cid=G2KN13Z8C

Steps to Reproduce

1.
2.
3.

Actual result:

Expected result:

Reproduces how often: [Easily reproduced, Intermittent Issue]

Brave Version:

Device details:

Website problems only:

• did you check with Brave Shields down?
• did you check in Safari/Firefox (WkWebView-based browsers)?

Additional Information

[diracdeltas]

@Brandon-T @kjozwiak i would say include this in the release notes (can just say Disable bookmarklets due to security issue)

[kjozwiak]

QA was completed and results were posted via https://bravesoftware.slack.com/archives/C06UXF3KJ/p1580543328128500?thread_ts=1580529851.084000&cid=C06UXF3KJ.