Remove deprecated misspelled event

[colemanw]

Overview

Removes long-deprecated event with spelling error.

Technical Details

'shorcuts' was misspelled and has been documented as deprecated since 2018, with noisy notices for the past 2 years since 79ba796

Comments

Only one use found in universe so I submitted a MR: https://lab.civicrm.org/extensions/grant_program
FYI @JoeMurray

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[eileenmcnaughton]

Yeah - I think we can let go