remove markdown support

Will re-add once there is a markdown spec

damus/Views/NoteContentView.swift

@@ -58,15 +58,9 @@ struct NoteContentView: View {
     @State var artifacts: NoteArtifacts
 
     func MainContent() -> some View {
-        let md_opts: AttributedString.MarkdownParsingOptions =
-            .init(interpretedSyntax: .inlineOnlyPreservingWhitespace)
-        
         return VStack(alignment: .leading) {
-            if let txt = try? AttributedString(markdown: artifacts.content, options: md_opts) {
+            Text(artifacts.content)
-                Text(txt)
+
-            } else {
-                Text(artifacts.content)
-            }
             if show_images && artifacts.images.count > 0 {
                 ImageCarousel(urls: artifacts.images)
             }