Remove fixes file when a game is uninstalled

[arielj]

In #3335 we are adding the feature to install known winetricks fixes. That downloads the fixes file from the https://github.com/Heroic-Games-Launcher/known-fixes repo during the installation of a game.

The problem is that we have no way or removing the file once the winetricks fix is not needed anymore, so if a game is downloaded today and a fix is not needed anymore in 2 months, if I install the game it will still run the winetricks commands.

This PR changes that so when a game is uninstalled, if a fixes file exists it gets deleted. That way, if we install the game in a few months and the fix is not needed, it won't be in the known-fixes repo and we don't download anything.

I did a small refactor cause I needed that map from runner to store and it was already defined in 3 other places

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Use the following Checklist if you have changed something on the Backend or Frontend:

• Tested the feature and it's working on a current and clean install.
• Tested the main App features and they are still working on a current and clean install. (Login, Install, Play, Uninstall, Move games, etc.)
• Created / Updated Tests (If necessary)
• Created / Updated documentation (If necessary)

[CommandMC]

Ideally the "doing the refactor" and "introducing the change" parts of this PR would be in two different commits...
but we'll squash it down when merging anyways, so that's not a huge issue