Remove unused config key 'database.charset'
Remove unused config key 'database.charset'

The character set is defined at connection-level.

MichaelMaar/concrete5,TimDix/concrete5,MichaelMaar/concrete5,MichaelMaar/concrete5,TimDix/concrete5,avdevs/concrete5,matt9mg/concrete5,TimDix/concrete5,matt9mg/concrete5,avdevs/concrete5,matt9mg/concrete5,avdevs/concrete5