Fix failing tests and update MHDB

Author: Marinovsky

Data/market-hours/market-hours-database.json

@@ -1170,7 +1170,6 @@
         "9/7/2020",
         "9/6/2021",
         "9/5/2022",
-        "9/4/2023",
         "9/2/2024",
         "9/11/2001",
         "9/12/2001",
@@ -1476,7 +1475,6 @@
         "9/7/2020",
         "9/6/2021",
         "9/5/2022",
-        "9/4/2023",
         "9/2/2024",
         "9/11/2001",
         "9/12/2001",
@@ -1782,7 +1780,6 @@
         "9/7/2020",
         "9/6/2021",
         "9/5/2022",
-        "9/4/2023",
         "9/2/2024",
         "9/11/2001",
         "9/12/2001",