Remove web examples for now (Chromium too brittle)

app.py

@@ -84,14 +84,14 @@ examples = [
         "statement.png",
         "What are net sales for 2020?",
     ],
-    [
-        "docquery.png",
-        "How many likes does the space have?",
-    ],
-    [
-        "hacker_news.png",
-        "What is the title of post number 5?",
-    ],
+    #    [
+    #        "docquery.png",
+    #        "How many likes does the space have?",
+    #    ],
+    #    [
+    #        "hacker_news.png",
+    #        "What is the title of post number 5?",
+    #    ],
 ]
 
 question_files = {