Remove unused Build parameter

src/vpk/Velopack.Build/PackTask.cs

@@ -47,8 +47,6 @@ public class PackTask : MSBuildAsyncTask
 
     public string? Channel { get; set; }
 
-    public bool PackIsAppDir { get; set; }
-
     public string? Exclude { get; set; }
 
     public bool NoPortable { get; private set; }

src/vpk/Velopack.Build/TaskOptionsMapper.cs

@@ -23,7 +23,7 @@ public static partial class TaskOptionsMapper
         return di;
     }
 
-    private static RID StringToRID(string t) => RID.Parse(t);
+    private static RID StringToRid(string t) => RID.Parse(t);
 
     private static DeltaMode StringToDeltaMode(string t) => (DeltaMode) Enum.Parse(typeof(DeltaMode), t, true);
-}
+}

src/vpk/Velopack.Build/Velopack.Build.targets

@@ -67,7 +67,6 @@
       ReleaseNotes="$(VelopackReleaseNotes)"
       DeltaMode="$(VelopackDeltaMode)"
       Channel="$(VelopackChannel)"
-      PackIsAppDir="$(VelopackPackIsAppDir)"
       Exclude="$(VelopackExclude)"
       NoPortable="$(VelopackNoPortable)"
       NoInst="$(VelopackNoInst)"