[IMP] web,website_slides: remove unused keyboard.scss

Part-of: odoo/odoo#130875

addons/web/__manifest__.py

@@ -65,7 +65,6 @@ This module provides the core of the Odoo Web Client.
             'web/static/src/legacy/scss/mimetypes.scss',
             'web/static/src/legacy/scss/modal.scss',
             'web/static/src/legacy/scss/translation_dialog.scss',
-            'web/static/src/legacy/scss/keyboard.scss',
             'web/static/src/legacy/scss/name_and_signature.scss',
 
             'web/static/src/legacy/js/promise_extension.js',
@@ -251,7 +250,6 @@ This module provides the core of the Odoo Web Client.
             'web/static/src/legacy/scss/mimetypes.scss',
             'web/static/src/legacy/scss/modal.scss',
             'web/static/src/legacy/scss/translation_dialog.scss',
-            'web/static/src/legacy/scss/keyboard.scss',
             'web/static/src/legacy/scss/name_and_signature.scss',
 
             'web/static/src/legacy/scss/lazyloader.scss',

addons/web/static/src/legacy/scss/keyboard.scss

@@ -1,16 +0,0 @@
-.o_shortcut_table {
-    border-collapse: separate;
-    border-spacing: 0 1em;
-
-    .o_key {
-        background-color: #F4F7F8;
-        border-radius: 3px;
-        border: 1px solid #B4B4B4;
-        $shadowvalue: 0px 1px 1px rgba(0,0,0,0.2), inset 0px -1px 1px 1px rgba(230,230,230,0.8), inset 0px 2px 0px 0px rgba(255,255,255,0.8);
-        box-shadow: $shadowvalue;
-        display: inline-block;
-        font-family: Consolas,"Liberation Mono",Courier,monospace;
-        font-size: 0.85em;
-        padding: 2px 4px;
-    }
-} 

addons/website_slides/__manifest__.py

@@ -145,7 +145,6 @@ Featuring
             'web/static/src/legacy/scss/mimetypes.scss',
             'web/static/src/legacy/scss/modal.scss',
             'web/static/src/legacy/scss/translation_dialog.scss',
-            'web/static/src/legacy/scss/keyboard.scss',
             'web/static/src/legacy/scss/name_and_signature.scss',
             'website/static/src/libs/zoomodoo/zoomodoo.scss',