drop needless use of shebangs and global warnings in tests

Author: karenetheridge

Makefile.PL

@@ -1,5 +1,3 @@
-#!perl -w
-
 require 5.008001;
 use strict;
 use warnings;

t/common-req.t

@@ -1,5 +1,3 @@
-#perl -w
-
 use strict;
 use warnings;
 

t/headers-auth.t

@@ -1,5 +1,3 @@
-#!perl -w
-
 use strict;
 use warnings;
 

t/headers-etag.t

@@ -1,5 +1,3 @@
-#!perl -w
-
 use strict;
 use warnings;
 

t/headers-util.t

@@ -1,5 +1,3 @@
-#!perl -w
-
 use strict;
 use warnings;
 

t/headers.t

@@ -1,5 +1,3 @@
-#!perl -w
-
 use strict;
 use warnings;
 

t/http-config.t

@@ -1,5 +1,3 @@
-#!perl -w
-
 use strict;
 use warnings;
 

t/message-charset.t

@@ -1,5 +1,3 @@
-#!perl -w
-
 use strict;
 use warnings;
 

t/message-old.t

@@ -1,5 +1,3 @@
-#!perl -w
-
 # This is the old message.t test.  It is not maintained any more,
 # but kept around in case it happens to catch any mistakes.  Please
 # add new tests to message.t instead.

t/message-parts.t

@@ -1,5 +1,3 @@
-#!/usr/bin/perl -w
-
 use strict;
 use warnings;