Revert "Add deps kubeclient, lru_redux for fluent-plugin-kubernetes_m…

[smoser]

…etadata_filter (#26491)"

This reverts commit 4be2297ed7cd3373a1e2d04fa694cf03d38280ce.

lru_redux and kubeclient were added as deps for fluent-plugin-kubernetes_metadata_filter but did not immediately solve the problem at hand.

Further adds will be needed to fill out kubeclient's dependencies.

For now drop these.