Remove outdated vscode-ui tests (being replaced with e2e tests) #3824

Job	Run time
build / build	1m 50s
lint / lint	1m 20s
home-view-unit-tests / lint	14s
agent / native (macos-latest)	46s
agent / native (windows-latest)	56s
agent / native (ubuntu-latest)	23s
vscode / native (macos-latest)	1m 12s
vscode / native (windows-latest)	4m 37s
vscode / native (ubuntu-latest)	1m 15s
package / vscode	4m 2s
archive / archive	46s
upload / upload	45s
	18m 6s

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