fix comment

Author: bmcutler

examples/01_simple_python/config/config.json

@@ -17,10 +17,7 @@
               // Grade by "diffing" the student output with an
               // instructor-provided file.
               "method" : "diff",
-              // The student's output. Corresponds to the position
-              // of a command in the "command" list above: since
-              // "python *.py" is the first command, it's output
-              // will be written to "STDOUT_0.txt".
+              // The student's output. 
               "actual_file" : "STDOUT.txt",
               // The title seen by students.
               "description" : "Program Output",