[Release 1.29] Simplify svclb ds #1296

Job	Run time
build / Build	6m 38s
Docker Tests (basics)	1m 13s
E2E Tests (startup)	10m 3s
Docker Tests (bootstraptoken)	53s
E2E Tests (s3)	8m 54s
Docker Tests (cacerts)	1m 4s
E2E Tests (btrfs)	4m 46s
Docker Tests (compat)	2m 26s
E2E Tests (externalip)	4m 50s
Docker Tests (lazypull)	59s
E2E Tests (privateregistry)	6m 43s
Docker Tests (upgrade)	2m 32s
E2E Tests (embeddedmirror)	5m 19s
E2E Tests (wasm)	4m 27s
E2E Tests (svcpoliciesandfirewall)	6m 18s
	1h 7m 5s

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