Update calendar data (#111)

* Update name and just call it a test calendar

* Remove ref to company y or any company name

Author: jjbrosnan

Calendar/README.md

@@ -4,7 +4,7 @@ This folder contains a calendar file in XML format.
 
 ## Table of contents
 
-`CompanyY_2024.calendar`: A calendar file for a hypothetical company, `Company Y`, in XML format.
+`TestCalendar_2024.calendar`: A test calendar XML file.
 
 ## Calendar file
 
@@ -17,9 +17,9 @@ Here's an example that uses the calendar. It assumes you've copied this file to
 ```python
 from deephaven.calendar import add_calendar, calendar, calendar_names
 
-add_calendar("/data/examples/Calendar/CompanyY_2024.calendar")
+add_calendar("/data/examples/Calendar/TestCalendar_2024.calendar")
 
 print(calendar_names())
 
-company_y_cal_2024 = calendar("CompanyY_2024")
+test_company_cal_2024 = calendar("TestCalendar_2024")
 ```

Calendar/CompanyY_2024.calendar Calendar/TestCalendar_2024.calendarCalendar/CompanyY_2024.calendar renamed to Calendar/TestCalendar_2024.calendar

@@ -1,13 +1,13 @@
 <calendar>
-    <name>CompanyY_2024</name>
+    <name>TestCalendar_2024</name>
     <timeZone>America/New_York</timeZone>
     <language>en</language>
     <country>US</country>
     <firstValidDate>2024-01-01</firstValidDate>
     <lastValidDate>2024-12-31</lastValidDate>
     <description>
-        Company Y calendar for the year 2024.
-        Company Y uses two business periods instead of one.
+        Test calendar for the year 2024.
+        This calendar uses two business periods instead of one.
         The periods are separated by a one hour lunch break.
         This calendar file defines standard business hours, weekends, and holidays.
     </description>