avoid kubernetes import for slice contains logic (#4963)
avoid kubernetes import for slice contains logic (#4963)

* avoid kubernetes import for slice contains logic

Signed-off-by: tariqibrahim <015a714bac3241e52706046ad89e44af1b63d7b3@microsoft.com>

* fix review comments

Signed-off-by: tariqibrahim <015a714bac3241e52706046ad89e44af1b63d7b3@microsoft.com>

jascott1/helm,appscode/helm,appscode/helm,SlickNik/helm,SlickNik/helm,jascott1/helm