has_python: simplify

Author: scivision

+stdlib/has_python.m

@@ -4,25 +4,11 @@
 
 function y = has_python()
 
-if isMATLABReleaseOlderThan('R2022b')
-  % Matlab this old doesn't work as nice with Python
-  % also, R2022b was the first to support Python 3.10
-  y = false;
-  return
-end
-
 try
   pe = pyenv();
-catch e
-  switch e.identifier
-    case {'Octave:undefined-function', 'MATLAB:Python:PythonUnavailable'}
-      y = false;
-      return
-    otherwise
-      rethrow(e);
-  end
+  y = ~isempty(pe.Version);
+catch
+  y = false;
 end
 
-y = ~isempty(pe.Version);
-
 end