1.cc: Remove unused header.

	* testsuite/experimental/optional/constexpr/observers/1.cc: Remove
	unused header.
	* testsuite/experimental/optional/constexpr/observers/2.cc: Likewise.
	* testsuite/experimental/optional/constexpr/observers/3.cc: Likewise.
	* testsuite/experimental/optional/constexpr/observers/4.cc: Likewise.
	* testsuite/experimental/optional/constexpr/observers/5.cc: Likewise.

From-SVN: r217401

libstdc++-v3/ChangeLog

@@ -5,6 +5,13 @@
 	* testsuite/experimental/optional/observers/2.cc: Add operator&.
 	* testsuite/experimental/optional/constexpr/observers/2.cc: Likewise.
 
+	* testsuite/experimental/optional/constexpr/observers/1.cc: Remove
+	unused header.
+	* testsuite/experimental/optional/constexpr/observers/2.cc: Likewise.
+	* testsuite/experimental/optional/constexpr/observers/3.cc: Likewise.
+	* testsuite/experimental/optional/constexpr/observers/4.cc: Likewise.
+	* testsuite/experimental/optional/constexpr/observers/5.cc: Likewise.
+
 2014-11-11  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/std/type_traits (__void_t): Define new alias template.

libstdc++-v3/testsuite/experimental/optional/constexpr/observers/1.cc

@@ -19,7 +19,6 @@
 // <http://www.gnu.org/licenses/>.
 
 #include <experimental/optional>
-#include <testsuite_hooks.h>
 
 struct value_type
 {

libstdc++-v3/testsuite/experimental/optional/constexpr/observers/2.cc

@@ -21,7 +21,6 @@
 // <http://www.gnu.org/licenses/>.
 
 #include <experimental/optional>
-#include <testsuite_hooks.h>
 
 struct value_type
 {

libstdc++-v3/testsuite/experimental/optional/constexpr/observers/3.cc

@@ -21,7 +21,6 @@
 // <http://www.gnu.org/licenses/>.
 
 #include <experimental/optional>
-#include <testsuite_hooks.h>
 
 struct value_type
 {

libstdc++-v3/testsuite/experimental/optional/constexpr/observers/4.cc

@@ -19,7 +19,6 @@
 // <http://www.gnu.org/licenses/>.
 
 #include <experimental/optional>
-#include <testsuite_hooks.h>
 
 struct value_type
 {

libstdc++-v3/testsuite/experimental/optional/constexpr/observers/5.cc

@@ -19,7 +19,6 @@
 // <http://www.gnu.org/licenses/>.
 
 #include <experimental/optional>
-#include <testsuite_hooks.h>
 
 struct value_type
 {