💄(frontend) remove Blocknote fix

A recent upgrade of Blocknote to 0.19.2 fixed
a issue that we were solving. We removed our
fix as it is no longer needed.

src/frontend/apps/impress/src/features/docs/doc-editor/components/BlockNoteEditor.tsx

@@ -42,11 +42,6 @@ const cssEditor = (readonly: boolean) => `
     padding: 2px;
     border-radius: 4px;
   }
-  /* @TODO: A fix is made in v0.19.1 - This code can be removed after the upgrade  */
-  .bn-block-content[data-content-type=codeBlock]>div>select option{
-    color: black;
-    background-color: white;
-  }
   @media screen and (width <= 560px) {
     & .bn-editor {
       padding-left: 40px;