fix: remove base component a11y label (#648)

src/components/site/BackToTopFAB.tsx

@@ -25,6 +25,7 @@ export const BackToTopFAB = () => {
   return (
     <FABBase
       id="to-top"
+      aria-label="Back to top"
       show={shouldShow}
       onClick={() => {
         window.scrollTo({

src/components/ui/FAB.tsx

@@ -64,7 +64,7 @@ export const FABBase = (
     >
   >,
 ) => {
-  const { children, id, show = true, ...extra } = props
+  const { children, show = true, ...extra } = props
   const { className, onTransitionEnd, ...rest } = extra
 
   const [mounted, setMounted] = useState(true)
@@ -98,7 +98,6 @@ export const FABBase = (
         className,
       )}
       onTransitionEnd={handleTransitionEnd}
-      aria-label="back to top"
       {...rest}
     >
       {children}