g4gdrv_deleteFile will delete a file from your Google Drive Account.
This function can also be used to empty the trash by specifying "trash" for the file id (without quotes).
Returns: 0 for successful delete, -1 for error.
Error Message (output) - Error message
Settable Variables (use g4gdrv_setValue):
id (required) - Your Google ID
file_id - The Google File ID of the file you wish to delete.
ccsid - The CCSID to use. The default is 1208.
debug - Specify *YES to turn on debug, or *NO to turn off debug. The default is *NO.
debug_file - Specify the fully qualified file name for the main debug file. The default is /tmp/g4g_[id]_deleteFile.txt