Delete deprecate-shopify-cli-extensions.yml

[gonzaloriestra]

WHY are these changes introduced?

The workflow added in #5257 has already been triggered and it worked, so we don't need it anymore

WHAT is this pull request doing?

Delete the already used workflow

Measuring impact

How do we know this change was effective? Please choose one:

• n/a - this doesn't need measurement, e.g. a linting rule or a bug-fix
• Existing analytics will cater for this addition
• PR includes analytics changes to measure impact

Checklist

• I've considered possible cross-platform impacts (Mac, Linux, Windows)
• I've considered possible documentation changes

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	75.32%	8889/11801
🟡	Branches	70.56%	4322/6125
🟡	Functions	75.1%	2337/3112
🟡	Lines	75.86% (+0.01% 🔼)	8401/11074

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / app-event-watcher.ts	93.83% (-1.23% 🔻)	86.49% (-2.7% 🔻)	90.48%	98.61%

Test suite run success

2001 tests passing in 904 suites.

Report generated by 🧪jest coverage report action from 783fc3a

[gonzaloriestra]

Merge activity

• Jan 23, 7:12 AM EST: A user started a stack merge that includes this pull request via Graphite.
• Jan 23, 7:13 AM EST: A user added this pull request to the GitHub merge queue with Graphite.
• Jan 23, 7:37 AM EST: A user started a stack merge that includes this pull request via Graphite.
• Jan 23, 7:38 AM EST: A user added this pull request to the GitHub merge queue with Graphite.