Fixed critical typo in sysctl.d config

[MajorTwip]

typo prevents /etc/systctl.d/kubernetes.yaml to be loaded by sysctl --system and therefore breaks the cluster networking.

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[sshedi]

@prashant1221 can you please take this fix?
cc: @tapakund

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Can you please update your address with town/city, state and country ?

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[prashant1221]

LGTM, I'll take the fix