Remove bats tests #3760

Job	Run time
agent / native (macos-latest)	50s
agent / native (windows-latest)	1m 1s
vscode / native (macos-latest)	1m 19s
agent / native (ubuntu-latest)	35s
home-view-unit-tests / lint	15s
vscode / native (windows-latest)	3m 43s
build / build	1m 36s
vscode / native (ubuntu-latest)	2m 31s
lint / lint	1m 23s
archive / archive	36s
package / vscode	3m 50s
upload / upload	1m 30s
vscode-ui / ui-tests (ubuntu-latest)	7m 14s
	26m 23s

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