Do not use unless with else
Do not use unless with else

Solve Rubocop offense introduced in https://github.com/openSUSE/osem/pull/1123

hennevogel/osem,ChrisBr/osem,AndrewKvalheim/osem,rishabhptr/osem,hennevogel/osem,kormoc/osem,differentreality/osem,hennevogel/osem,differentreality/osem,AndrewKvalheim/osem,BelieveC/osem,rishabhptr/osem,ChrisBr/osem,Shriyanshagro/osem,Shriyanshagro/osem,namangupta01/osem,differentreality/osem,Shriyanshagro/osem,SeaGL/osem,differentreality/osem,SeaGL/osem,ChrisBr/osem,rishabhptr/osem,kormoc/osem,BelieveC/osem,openSUSE/osem,namangupta01/osem,openSUSE/osem,BelieveC/osem,namangupta01/osem,namangupta01/osem,rishabhptr/osem,bear454/osem,openSUSE/osem,Shriyanshagro/osem,hennevogel/osem,AndrewKvalheim/osem,ChrisBr/osem,bear454/osem,SeaGL/osem,BelieveC/osem,bear454/osem,kormoc/osem,kormoc/osem,bear454/osem