Don't use Perl's -w flag

src/script/hydra-build

@@ -1,4 +1,4 @@
-#! /var/run/current-system/sw/bin/perl -w
+#! /var/run/current-system/sw/bin/perl
 
 use strict;
 use List::MoreUtils qw(all);

src/script/hydra-create-user

@@ -1,4 +1,4 @@
-#! /var/run/current-system/sw/bin/perl -w
+#! /var/run/current-system/sw/bin/perl
 
 use strict;
 use Hydra::Schema;

src/script/hydra-evaluator

@@ -1,4 +1,4 @@
-#! /var/run/current-system/sw/bin/perl -w
+#! /var/run/current-system/sw/bin/perl
 
 use strict;
 use utf8;

src/script/hydra-init

@@ -1,4 +1,4 @@
-#! /var/run/current-system/sw/bin/perl -w
+#! /var/run/current-system/sw/bin/perl
 
 use strict;
 use Hydra::Schema;

src/script/hydra-queue-runner

@@ -1,4 +1,4 @@
-#! /var/run/current-system/sw/bin/perl -w
+#! /var/run/current-system/sw/bin/perl
 
 use strict;
 use Cwd;

src/script/hydra-s3-backup-collect-garbage

@@ -1,4 +1,4 @@
-#! /var/run/current-system/sw/bin/perl -w
+#! /var/run/current-system/sw/bin/perl
 
 use strict;
 use File::Basename;

src/script/hydra-server

@@ -1,4 +1,4 @@
-#! /var/run/current-system/sw/bin/perl -w
+#! /var/run/current-system/sw/bin/perl
 
 BEGIN {
     $ENV{CATALYST_SCRIPT_GEN} = 40;

src/script/hydra-update-gc-roots

@@ -1,4 +1,4 @@
-#! /var/run/current-system/sw/bin/perl -w
+#! /var/run/current-system/sw/bin/perl
 
 use strict;
 use File::Path;