Update lexical, remove unused code

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

package.json

@@ -55,12 +55,12 @@
     "@fontsource/roboto-mono": "^5.0.0",
     "@fontsource/tajawal": "^5.0.8",
     "@gamestdio/websocket": "^0.3.2",
-    "@lexical/clipboard": "^0.12.4",
-    "@lexical/hashtag": "^0.12.4",
-    "@lexical/link": "^0.12.4",
-    "@lexical/react": "^0.12.4",
-    "@lexical/selection": "^0.12.4",
-    "@lexical/utils": "^0.12.4",
+    "@lexical/clipboard": "^0.13.1",
+    "@lexical/hashtag": "^0.13.1",
+    "@lexical/link": "^0.13.1",
+    "@lexical/react": "^0.13.1",
+    "@lexical/selection": "^0.13.1",
+    "@lexical/utils": "^0.13.1",
     "@popperjs/core": "^2.11.5",
     "@reach/combobox": "^0.18.0",
     "@reach/menu-button": "^0.18.0",
@@ -126,7 +126,7 @@
     "intl-pluralrules": "^2.0.0",
     "isomorphic-dompurify": "^2.3.0",
     "leaflet": "^1.8.0",
-    "lexical": "^0.12.4",
+    "lexical": "^0.13.1",
     "line-awesome": "^1.3.0",
     "localforage": "^1.10.0",
     "lodash": "^4.7.11",