Update and rename aria-aria-menu.md to aria-menu.md

rename file name and update title in file

Author: Rabia2219

…ibility-patterns-index/aria-aria-menu.md …ccessibility-patterns-index/aria-menu.mddocs/getting-started/accessibility-patterns-index/aria-aria-menu.md renamed to docs/getting-started/accessibility-patterns-index/aria-menu.md docs/getting-started/accessibility-patterns-index/aria-aria-menu.md renamed to docs/getting-started/accessibility-patterns-index/aria-menu.md

@@ -1,4 +1,4 @@
-# ARIA - ARIA menu
+# ARIA menu
 - WAVE Category: ARIA
 - WAVE ARIA: ARIA menu