Docs: Default configuration is defaults.ini (#26071)
Docs: Default configuration is defaults.ini (#26071)

Fixes #26068 
The `conf ` directory doesn't have any `grafana.ini`, but a `defaults.ini`, which contains the default configuration.
grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana