Ensure deleteURL variable for ContactImage.tpl

[braders]

Overview

Ensure deleteURL variable is defined for ContactImage.tpl

Before

An E_Notice was thrown when viewing a contact who had an image uploaded.

After

The notice is no longer thrown on the contact view screen.

Comments

ContactImage.tpl is also used for profiles, but I've had a quick check and they still seem to work as expected following this change, with no new notices thrown.

[civibot]

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[eileenmcnaughton]

thanks @braders