Remove flawed implementation

This seems to add the latest icon (bug) as a fallback if not provided...
but it mainly seems to cause problems... 🤷

I swear I did `git add .`.

Signed-off-by: TheKodeToad <TheKodeToad@proton.me>

launcher/java/JavaInstallList.cpp

@@ -119,7 +119,7 @@ QVariant JavaInstallList::data(const QModelIndex &index, int role) const
 
 BaseVersionList::RoleList JavaInstallList::providesRoles() const
 {
-    return {VersionPointerRole, VersionIdRole, VersionRole, RecommendedRole, LatestRole, PathRole, ArchitectureRole};
+    return {VersionPointerRole, VersionIdRole, VersionRole, RecommendedRole, PathRole, ArchitectureRole};
 }