Remove keyboard shortcut toggle from board header

client/components/boards/boardHeader.jade

@@ -66,11 +66,6 @@ template(name="boardHeaderBar")
               span
                 = currentBoard.stars
 
-          a.board-header-btn.js-keyboard-shortcuts-toggle(
-            title="{{#if isKeyboardShortcuts}}{{_ 'keyboard-shortcuts-enabled'}}{{else}}{{_ 'keyboard-shortcuts-disabled'}}{{/if}}")
-            i.fa(class="fa-solid fa-keyboard")
-            i.fa(class="fa-solid fa-{{#if isKeyboardShortcuts}}check-square-o{{else}}ban{{/if}}")
-
           a.board-header-btn(
             class="{{#if currentUser.isBoardAdmin}}js-change-visibility{{else}}is-disabled{{/if}}"
             title="{{_ currentBoard.permission}}")