remove bb_printf and the like

debianutils/readlink.c

@@ -47,5 +47,5 @@ int readlink_main(int argc, char **argv)
 	if (ENABLE_FEATURE_CLEAN_UP && buf != bb_common_bufsiz1)
 		free(buf);
 
-	bb_fflush_stdout_and_exit(EXIT_SUCCESS);
+	fflush_stdout_and_exit(EXIT_SUCCESS);
 }

debianutils/which.c

@@ -39,5 +39,5 @@ int which_main(int argc, char **argv)
 		status = EXIT_FAILURE;
 	}
 
-	bb_fflush_stdout_and_exit(status);
+	fflush_stdout_and_exit(status);
 }