Remove obsolete code

tools/common/Application.cs

@@ -1631,17 +1631,6 @@ public bool UseDlsym (string assembly)
 			if (UseInterpreter)
 				return true;
 
-#if NET
-			asm = Path.GetFileNameWithoutExtension (assembly);
-			switch (asm) {
-			case "System.Net.Security":
-			case "System.Net.Quic":
-				// Some .NET assemblies have P/Invokes to native functions they don't ship. We need to use dlsym for this assemblies.
-				// https://github.com/dotnet/runtime/issues/47533
-				return true;
-			}
-#endif
-
 			switch (Platform) {
 			case ApplePlatform.iOS:
 				return !Profile.IsSdkAssembly (Path.GetFileNameWithoutExtension (assembly));