Disable useless disable-background-translucency CONFIG option.
Disable useless disable-background-translucency CONFIG option.

RevBy: Jan Arne Petersen

It was used in surface abstraction, but now plugins will have to care about it.

Full, original commit at 132f41aada5c8747b533418d293509ac68716430 in maliit-framework

maliit/inputcontext-qt4,maliit/inputcontext-qt4,perencia/inputcontext-qt4