dotnet_* try-catch for simplicity

Author: scivision

+stdlib/dotnet_version.m

@@ -2,8 +2,11 @@
 
 function v = dotnet_version()
 
-vs = System.Environment.Version;
-
-v = sprintf('%d.%d.%d', vs.Major, vs.Minor, vs.Build);
+try
+  vs = System.Environment.Version;
+  v = sprintf('%d.%d.%d', vs.Major, vs.Minor, vs.Build);
+catch
+  v = '';
+end
 
 end

+stdlib/has_dotnet.m

@@ -6,13 +6,9 @@
 function y = has_dotnet()
 
 try
-  y = (ispc() || ~isMATLABReleaseOlderThan('R2024b')) && NET.isNETSupported;
-catch e
-  switch e.identifier
-    case {'MATLAB:scriptNotAFunction', 'MATLAB:undefinedVarOrClass', 'Octave:undefined-function'}
-      y = false;
-    otherwise, rethrow(e)
-  end
+  y = NET.isNETSupported;
+catch
+  y = false;
 end
 
 end