Remove unused UpdateVizierConfig from cli code

Summary: TSIA

Test Plan: This is unused code, builds still work and existing unit tests pass

Reviewers: michelle, zasgar

Reviewed By: michelle

Signed-off-by: Vihang Mehta <vihang@pixielabs.ai>

Differential Revision: https://phab.corp.pixielabs.ai/D11751

GitOrigin-RevId: e5704b6

Author: vihangm

src/pixie_cli/pkg/vizier/lister.go

@@ -64,10 +64,3 @@ func (l *Lister) GetVizierInfo(id uuid.UUID) ([]*cloudpb.ClusterInfo, error) {
 	}
 	return c.Clusters, nil
 }
-
-// UpdateVizierConfig updates the config for the given Vizier.
-func (l *Lister) UpdateVizierConfig(req *cloudpb.UpdateClusterVizierConfigRequest) error {
-	ctx := auth.CtxWithCreds(context.Background())
-	_, err := l.vc.UpdateClusterVizierConfig(ctx, req)
-	return err
-}