remove duplicate code from the factorial dbug example

dbug/factorial.c

@@ -1,14 +1,3 @@
-#ifdef DBUG_OFF				/* We are testing dbug */
-
-int factorial(register int value) {
-	if(value > 1) {
-		value *= factorial(value-1);
-	}
-	return value;
-}
-
-#else
-
 #include <my_global.h>
 
 int factorial (
@@ -22,6 +11,3 @@ register int value)
     DBUG_PRINT ("result", ("result is %d", value));
     DBUG_RETURN (value);
 }
-
-#endif
-