uppdating tfchain values file

[PeterNashaat]

Description

When you use Helm's -f flag to specify a custom values file, Helm combines these values with the defaults in the chart's values.yaml. The custom values will override any matching default values in the chart.
Like: values.yaml#L52 , generates error error: invalid value '1.048576e+06' for '--rpc-max-connections <COUNT>': invalid digit found in string which should be > rpc_max_connections: "1048576"

this is not fix for https://github.com/threefoldtech/tf_operations/issues/2195, but update needed for validators installation

[renauter]

A doubt here after talking with @sameh-farouk
Why the need of such values specific to validator node if these values should be custom depending of kind of node ?

[PeterNashaat]

• Exactly such values is not needed as they are passed by default in the helm even if we use -f, that's why i commented some of them.

[renauter]

Ok so if it is intentional and not set for a specific case we can go for it