Remove check of ONLINE_JUDGE & DOMJUDGE in example submissions

We don't set this in the default installation anymore and haven't for
years.

Author: vmcj

example_problems/hello/submissions/accepted/extra-file-awk/test-hello.awk

@@ -3,4 +3,4 @@
 #
 # @EXPECTED_RESULTS@: CORRECT
 
-BEGIN { if ( DOMJUDGE ) print "Hello world!"; else print "variable DOMJUDGE not set" }
+BEGIN { print "Hello world!" }

example_problems/hello/submissions/accepted/extra-file-cs/test-hello.cs

@@ -11,10 +11,6 @@ public class Hello
 {
 	public static void Main(string[] args)
 	{
-#if ONLINE_JUDGE
 		Console.Write("Hello world!\n");
-#else
-		Console.Write("ONLINE_JUDGE not defined\n");
-#endif
 	}
 }

example_problems/hello/submissions/accepted/extra-file-f95/test-hello.f95

@@ -5,10 +5,6 @@
 ! @EXPECTED_RESULTS@: CORRECT
 !
 program hello
-#ifdef DOMJUDGE
-    write(*,"(A)") "Hello world!"
-#else
-    write(*,"(A)") "DOMJUDGE not defined"
-#endif
+write(*,"(A)") "Hello world!"
 end program hello
 

example_problems/hello/submissions/accepted/extra-file-js/test-hello.js

@@ -3,9 +3,4 @@
 //
 // @EXPECTED_RESULTS@: CORRECT
 
-if ( process.env.DOMJUDGE ) {
-  console.log('Hello world!');
-} else {
-  console.log('DOMJUDGE not defined');
-  process.exit(1);
-}
+console.log('Hello world!');

example_problems/hello/submissions/accepted/extra-file-rb/test-hello.rb

@@ -3,9 +3,4 @@
 #
 # @EXPECTED_RESULTS@: CORRECT
 
-if ENV['DOMJUDGE'] != '' then
-  puts "Hello world!"
-else
-  puts "DOMJUDGE not defined"
-  exit(1)
-end
+puts "Hello world!"

example_problems/hello/submissions/accepted/extra-file-sh/test-hello.sh

@@ -3,11 +3,6 @@
 #
 # @EXPECTED_RESULTS@: CORRECT
 
-if [ -z "$DOMJUDGE" -o -z "$ONLINE_JUDGE" ]; then
-	echo "Variable DOMJUDGE and/or ONLINE_JUDGE not defined."
-	exit 1
-fi
-
 echo "Hello world!"
 
 exit 0