Remove unused highlighting as it is done by the editor

Author: linkdotnet

src/LinkDotNet.Blog.Web/Features/Admin/BlogPostEditor/Components/CreateNewBlogPost.razor

@@ -147,15 +147,6 @@
         model = CreateNewModel.FromBlogPost(BlogPost);
     }
 
-    protected override async Task OnAfterRenderAsync(bool firstRender)
-    {
-        if (firstRender)
-        {
-            await JSRuntime.InvokeVoidAsync("hljs.highlightAll");
-            StateHasChanged();
-        }
-    }
-
     private async Task OnValidBlogPostCreatedAsync()
     {
 	    canSubmit = false;