[ci] Fix remove sonic-slave-* docker image issue when building sonic-slave* (#10296)#10378

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liushilongbuaa merged 1 commit intosonic-net:202012from

liushilongbuaa:202012-cherry-pick

Mar 30, 2022

Commits on Mar 29, 2022

[ci] Fix remove sonic-slave-* docker image issue when building sonic-slave* (#10296)
liushilongbuaa
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