Remove this placeholder

[todo]

https://github.com/KomodoPlatform/atomicDEX-QT/blob/3dd168a44a6aa4d5599f44f94fe0b13937784424/src/atomic.dex.gui.cpp#L189-L194

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This issue was generated by todo based on a TODO comment in 3dd168a. It's been assigned to @naezith because they committed the code.

[Milerius]

done, we are using QT now.