Revert "(bug 44682) adding new license needs array_merge_recursive."

This reverts commit be41e57c4cb5e0fcd13dd89b61afb8bbd863943d

Completely broke $wgUploadWizardConfig and associated settings  by messing up the config array.

Change-Id: Iebaf01a92b73890fe78341c08c8f711de25eb5c6
Merge "Revert "(bug 44682) adding new license needs array_merge_recursive.""