[FEATURE] RT-2437 Kyc tab: Add "US-only" banner

RT-2437 #inreview
Add banner "Profile completion is only available to US residents."
to kyc wizard page top.
[FIX] RT-2437 Kyc tab: Rename US-only banner toggle

ng-hide=hideUsOnlyBanner  is easier to understand, more logical.
Merge pull request #1635 from jublonet/issue/2437-kyc-us-only-banner

[FEATURE] RT-2437 Kyc tab: Add "US-only" banner