remove Error Handler automatically

Author: Pathoschild

docs/release-notes.md

@@ -4,6 +4,7 @@
 ## Upcoming release
 * For players:
   * The installer now deletes obsolete files from very old SMAPI versions again. (This was removed in SMAPI 4.0, but many players still had very old versions.)
+  * The installer now deletes Error Handler automatically if it's at the default path.
 
 ## 4.0.4
 Released 29 March 2024 for Stardew Valley 1.6.0 or later.

src/SMAPI.Installer/InteractiveInstaller.cs

@@ -56,6 +56,7 @@ private IEnumerable<string> GetUninstallPaths(DirectoryInfo installDir, Director
             // obsolete files
             yield return GetInstallPath("libgdiplus.dylib");                 // before 3.13 (macOS only)
             yield return GetInstallPath(Path.Combine("Mods", ".cache"));     // 1.3-1.4
+            yield return GetInstallPath(Path.Combine("Mods", "ErrorHandler")); // before 4.0 (no longer needed)
             yield return GetInstallPath(Path.Combine("Mods", "TrainerMod")); // before 2.0 (renamed to ConsoleCommands)
             yield return GetInstallPath("Mono.Cecil.Rocks.dll");             // 1.3-1.8
             yield return GetInstallPath("StardewModdingAPI-settings.json");  // 1.0-1.4