remove bb_printf and the like
diff --git a/coreutils/env.c b/coreutils/env.c
index d03318f..2ce99b0 100644
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -90,7 +90,7 @@
 		puts(*ep);
 	}
 
-	bb_fflush_stdout_and_exit(0);
+	fflush_stdout_and_exit(0);
 }
 
 /*