0020139: Don't show --select one again on select options of templates in the format tab

ID	Project	Category	View Status	Date Submitted	Last Update

0020139	phpList 3 application	Interface - Administrator	public	06-01-20 20:04	06-01-20 20:07

Reporter	suela
Priority	normal	Severity	minor	Reproducibility	have not tried
Status	assigned	Resolution	open
Product Version	3.4.9
Target Version	3.5.0	Fixed in Version

Summary	0020139: Don't show --select one again on select options of templates in the format tab
Description	Just a minor fix on the dropdown of the choose template option: Currently "--select one" serves as a "placeholder" but is listed again in the options of the dropdown. That is not necessary because the "--No template" option serves as a null value.
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