maint: remove now-redundant definitions provided by signal.h

* src/dd.c (SA_NODEFER, SA_RESETHAND): Remove definitions,
now that gnulib guarantees they are defined in <signal.h>.
* src/ls.c (SA_RESTART): Likewise.

1 files changed, 0 insertions, 6 deletions

diff --git a/src/dd.c b/src/dd.c
index 3f54cc7b5..1d8cfe07f 100644
--- a/src/dd.c
+++ b/src/dd.c
@@ -57,12 +57,6 @@ static void process_signals (void);
 #  define siginterrupt(sig, flag) /* empty */
 # endif
 #endif
-#ifndef SA_NODEFER
-# define SA_NODEFER 0
-#endif
-#ifndef SA_RESETHAND
-# define SA_RESETHAND 0
-#endif
 
 #ifndef SIGINFO
 # define SIGINFO SIGUSR1