remove duplicate column header causing error

[JamesHabben]

error for reference:

[113/439] chromeLoginData [chrome] artifact started
No Unknown - Login Data available
Found 12 records for Login Data
Reading chromeLoginData artifact had errors!
Error was duplicate column name: browser_name
Exception Traceback: Traceback (most recent call last):
  File "ileapp.py", line 506, in crunch_artifacts
  File "scripts\ilapfuncs.py", line 515, in wrapper
    table_name, object_columns, column_map = lava_process_artifact(category,
                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "scripts\lavafuncs.py", line 204, in lava_process_artifact
    sanitized_table_name, column_map, object_columns = lava_create_sqlite_table(func_name, data)
                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "scripts\lavafuncs.py", line 357, in lava_create_sqlite_table
    cursor.execute(f"CREATE TABLE IF NOT EXISTS {sanitized_table_name} ({columns_sql})")
sqlite3.OperationalError: duplicate column name: browser_name