Remove support for breadcrumb back link accessiblePrefix

Author: colinrotherham

src/components/navigation/breadcrumb/Breadcrumb.tsx

@@ -13,18 +13,12 @@ const Item: Item = ({ className, children, asElement: Element = 'a', ...rest })
   </li>
 );
 
-type Back = FC<AsElementLink<HTMLAnchorElement> & { accessiblePrefix?: string }>;
+type Back = FC<AsElementLink<HTMLAnchorElement>>;
 
-const Back: Back = ({
-  className,
-  children,
-  asElement: Element = 'a',
-  accessiblePrefix = 'Back to &nbsp;',
-  ...rest
-}) => (
+const Back: Back = ({ className, children, asElement: Element = 'a', ...rest }) => (
   <p className={classNames('nhsuk-breadcrumb__back', className)}>
     <Element className="nhsuk-breadcrumb__backlink" {...rest}>
-      <span className="nhsuk-u-visually-hidden">{accessiblePrefix}</span>
+      <span className="nhsuk-u-visually-hidden">Back to &nbsp;</span>
       {children}
     </Element>
   </p>

src/components/navigation/breadcrumb/__tests__/Breadcrumb.test.tsx

@@ -68,24 +68,19 @@ describe('Breadcrumb', () => {
   );
 
   describe('The BreadcrumbBack component', () => {
-    it.each<string | undefined>([undefined, 'Accessible prefix'])(
-      'Renders as expected with visually hidden text when accessiblePrefix is specified as %s',
-      (accessiblePrefix) => {
-        const { container } = render(
-          <Breadcrumb>
-            <Breadcrumb.Back href="/back" accessiblePrefix={accessiblePrefix}>
-              Breadcrumb 2
-            </Breadcrumb.Back>
-          </Breadcrumb>,
-        );
-
-        const hiddenSpan = container.querySelector(
-          '.nhsuk-breadcrumb__backlink > .nhsuk-u-visually-hidden',
-        );
-
-        expect(hiddenSpan?.textContent).toBe(accessiblePrefix ?? 'Back to &nbsp;');
-      },
-    );
+    it('Renders as expected with visually hidden text', () => {
+      const { container } = render(
+        <Breadcrumb>
+          <Breadcrumb.Back href="/back">Breadcrumb 2</Breadcrumb.Back>
+        </Breadcrumb>,
+      );
+
+      const hiddenSpan = container.querySelector(
+        '.nhsuk-breadcrumb__backlink > .nhsuk-u-visually-hidden',
+      );
+
+      expect(hiddenSpan?.textContent).toBe('Back to &nbsp;');
+    });
 
     it.each<ElementType | undefined>([undefined, 'button'])(
       'Renders with asElement when specified as %s',