Add raw error message for 2 errors
The errors: `unnamed_map_update_with_default` and `unbound_variable`.
Revert "Add raw error message for 2 errors"
This reverts commit 0db6d16140d52e29cd8a12d8719ee57ca874d5f5.
Remove trailing new lines and at POS from error messages
Convert multiple line error messages into single line error messages
Remove at POS from pp_why_record context
Change error message with new line before code
Fix tests for changed error messages
Fix the rest of the error messages
Add new line after error message
Remove new line from the end of data error messages