The default registry contains some fully qualified paths to fonts
that are available on the build machine, but make no sense on any
other system. This is useless, and also known to cause bug, because
it confuses the Wine font caching code. An affected game is
Lumberjack's Dynasty.
The DLL ships with the games and having the built-in version in
system32/syswow64 has unexpected consequences.
If the game is launched from a subdirectory, but the DLL is in current
working directory, the built-in takes precedence as CWD has lower search
priority than system directories (with the default SafeDllSearchMode).
By not installing amd_ags_x64.dll in system32/syswow64 the built-in is
still picked up correctly from lib/ when necessary.
There's an accompanying patch for wine that makes sure wineboot won't
install the dll, but since we construct our default_pfx in a special way
we also need to make sure that files won't get copied/linked there.
To make prefix updates smooth this change also removes any stale
amd_ags_x64.dlls that may have been installed by previous version of
Proton.
CW-Bug-Id: 18804
