🩹(frontend) do not display emoji as page icon on main pages

We decided to not display the leading emoji
as page icon on the main pages to keep consistency
in the document list.

src/frontend/apps/impress/src/features/docs/doc-management/components/SimpleDocItem.tsx

@@ -4,20 +4,13 @@ import { css } from 'styled-components';
 
 import { Box, Text } from '@/components';
 import { useCunninghamTheme } from '@/cunningham';
-import {
-  Doc,
-  getEmojiAndTitle,
-  useDocUtils,
-  useTrans,
-} from '@/docs/doc-management';
+import { Doc, useDocUtils, useTrans } from '@/docs/doc-management';
 import { useResponsiveStore } from '@/stores';
 
 import ChildDocument from '../assets/child-document.svg';
 import PinnedDocumentIcon from '../assets/pinned-document.svg';
 import SimpleFileIcon from '../assets/simple-document.svg';
 
-import { DocIcon } from './DocIcon';
-
 const ItemTextCss = css`
   overflow: hidden;
   text-overflow: ellipsis;
@@ -45,10 +38,6 @@ export const SimpleDocItem = ({
   const { untitledDocument } = useTrans();
   const { isChild } = useDocUtils(doc);
 
-  const { emoji, titleWithoutEmoji: displayTitle } = getEmojiAndTitle(
-    doc.title || untitledDocument,
-  );
-
   return (
     <Box
       $direction="row"
@@ -76,25 +65,17 @@ export const SimpleDocItem = ({
             data-testid="doc-pinned-icon"
             color={colorsTokens['primary-500']}
           />
+        ) : isChild ? (
+          <ChildDocument
+            aria-hidden="true"
+            data-testid="doc-child-icon"
+            color={colorsTokens['primary-500']}
+          />
         ) : (
-          <DocIcon
-            emoji={emoji}
-            defaultIcon={
-              isChild ? (
-                <ChildDocument
-                  aria-hidden="true"
-                  data-testid="doc-child-icon"
-                  color={colorsTokens['primary-500']}
-                />
-              ) : (
-                <SimpleFileIcon
-                  aria-hidden="true"
-                  data-testid="doc-simple-icon"
-                  color={colorsTokens['primary-500']}
-                />
-              )
-            }
-            $size="25px"
+          <SimpleFileIcon
+            aria-hidden="true"
+            data-testid="doc-simple-icon"
+            color={colorsTokens['primary-500']}
           />
         )}
       </Box>
@@ -106,7 +87,7 @@ export const SimpleDocItem = ({
           $css={ItemTextCss}
           data-testid="doc-title"
         >
-          {displayTitle}
+          {doc.title || untitledDocument}
         </Text>
         {(!isDesktop || showAccesses) && (
           <Box