Remove unused (and deprecated) 3rd argument to main

This commit was SVN r5830.

src/tools/orterun/orterun.c

@@ -211,7 +211,7 @@ static int parse_appfile(char *filename, char ***env);
 static void job_state_callback(orte_jobid_t jobid, orte_proc_state_t state);
 
 
-int main(int argc, char *argv[], char* env[])
+int main(int argc, char *argv[])
 {
     orte_app_context_t **apps;
     int rc, i, num_apps, j;