remove assets

src/assets/demo/code.scss

@@ -1,17 +0,0 @@
-pre.app-code {
-    background-color: var(--code-background);
-    margin: 0 0 1rem 0;
-    padding: 0;
-    border-radius: var(--content-border-radius);
-    overflow: auto;
-
-    code {
-        color: var(--code-color);
-        padding: 1rem;
-        margin: 0;
-        line-height: 1.5;
-        display: block;
-        font-weight: semibold;
-        font-family: monaco, Consolas, monospace;
-    }
-}

src/assets/demo/demo.scss

@@ -1,2 +0,0 @@
-@use './code.scss';
-@use './flags/flags.css';