How to select and delete all Output cells within current Selection only?

A similar question was already here: How to select and delete all Output cells?. But I have a more specific one: I want to delete all output cells within the currently selected cells only.

For this purpose I want to add an additional menu item Cell>Delete All Output within Selection.

Probably one would have to add something to

/usr/local/Wolfram/Mathematica/12.1/SystemFiles/FrontEnd/TextResources/X/MenuSetup.tr

Has anybody already made such an improvement and could he please post it here?

(The version in this case is 12.1 and it probably has to reflect the version in question. This path is for a Linux machine. On a Windows machine the paths begin at a different root but parts from Wolfram to TextRessources probably will look the same, except for the forward slashes being replaced by backward ones- /X/ might be special for Linux).