Replace unicorn bindings with Nuget package (#4378)

* Replace unicorn bindings with Nuget package

* Use nameof for ValueSource args

* Remove redundant code from test projects

* Fix wrong values for EmuStart()

Add notes to address this later again

* Improve formatting

* Fix formatting/alignment issues

Ryujinx.Tests.Unicorn/MemoryPermission.cs

@@ -1,11 +1,14 @@
+using System;
+
 namespace Ryujinx.Tests.Unicorn
 {
+    [Flags]
     public enum MemoryPermission
     {
-        NONE = 0,
-        READ = 1,
-        WRITE = 2,
-        EXEC = 4,
-        ALL = 7,
+        None = 0,
+        Read = 1,
+        Write = 2,
+        Exec = 4,
+        All = 7,
     }
-}
+}