Remove outdated vscode-ui tests (being replaced with e2e tests) #3803

Job	Run time
lint / lint	1m 25s
build / build	1m 49s
home-view-unit-tests / lint	14s
agent / native (macos-latest)	46s
agent / native (windows-latest)	1m 40s
agent / native (ubuntu-latest)	35s
vscode / native (macos-latest)	59s
vscode / native (windows-latest)	3m 0s
vscode / native (ubuntu-latest)	1m 15s
package / vscode	5m 37s
archive / archive	39s
upload / upload	46s
	18m 45s

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