[PM-7105][PM-7242][PM-16256] Remove v1 code for Tab/Vault Part 2 (#12… #34643

Job	Run time
Check PR run / Check	2s
Setup	7s
Locales Test	10s
Build Safari	15m 41s
Build browser source	13s
Build (chrome, dist:chrome, dist-chrome.zip, dist-chrome-MV3)	11m 15s
Build (edge, dist:edge, dist-edge.zip, dist-edge)	6m 40s
Build (edge-mv3, dist:edge:mv3, dist-edge.zip, DO-NOT-USE-FOR-PROD-dist-edge-MV3)	10m 31s
Build (firefox, dist:firefox, dist-firefox.zip, dist-firefox)	6m 17s
Build (firefox-mv3, dist:firefox:mv3, dist-firefox.zip, DO-NOT-USE-FOR-PROD-dist-firefox-MV3)	10m 56s
Build (opera, dist:opera, dist-opera.zip, dist-opera)	7m 24s
Build (opera-mv3, dist:opera:mv3, dist-opera.zip, DO-NOT-USE-FOR-PROD-dist-opera-MV3)	10m 35s
Crowdin Push	26s
Check for failures	12s
	1h 20m 29s

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