SUP-1262, Clicking the hide/show password button should work on mobile

-- Implemented required behaviour by removing focusOn directive as it is causing either an unpredictable chain of events or not allowing the model  change event to be fired on manual update of model in onBlur event.

Author: vikasrohit

app/directives/account/toggle-password/toggle-password.directive.js

@@ -40,6 +40,7 @@
           if (relatedTarget.attr('type') === 'checkbox' && relatedTarget.attr('id') === 'currentPasswordCheckbox') {
             vm.currentPasswordFocus = true;
             vm.currentPasswordPlaceholder = '';
+            currentPasswordInput.focus();
           } else {
             // If you are blurring from the password input and clicking anywhere but the checkbox
             vm.currentPasswordFocus = false;

app/directives/account/toggle-password/toggle-password.jade

@@ -2,7 +2,6 @@ input#current-password-input(
   ng-model="vm.currentPassword",
   ng-model-options="{allowInvalid: true}",
 
-  focus-on="focusOnCurrentPasswordInput",
   ng-focus="vm.onCPFocus($event)",
   ng-blur="vm.onCPBlur($event)",